# Sunshine Opto-electronics Enterprise Co.,ltd | 20-100W SMD Led PCB Board,Street Light SMD Led PCB Board,LED Circuit Board For Street Light, Street Light SMD LED PCB Board,Customized SMD LED PCB Board,SMD5050 Customized Circuit Board, Array Lens LED Street Light Module,LED Street Light Module 160lm/W,100w Street Light Optics Lens, ## summary > Manufacturer, Distributor/Wholesaler, Exporter, Seller, Brands: sunshineopto, 16 years focused on custom LED optics & PCB module solutions. We Sunshineopto design and manufacture custom optical lenses and custom LED light boards for lighting project contractors worldwide — complete SKD supply, one-stop, no runaround !, Established in 2009, Employees: 60~80, Annual sales: 2000000-3000000, Export ratio: 90% - 100%, Primary markets: North America, South America, Western Europe, Eastern Europe, Eastern Asia, Southeast Asia, Middle East, Africa, Oceania, Worldwide. ## Company Information * [Company Profile](https://www.sunshineopto.com/aboutus.html): Overview, history, teams and core capabilities. * [Factory & Manufacturing](https://www.sunshineopto.com/factory.html): Production capacity, OEM/ODM capabilities, and R&D strength. * [Quality Control](https://www.sunshineopto.com/quality.html): ISO certifications, quality standards, and compliance. * [Contact Us](https://www.sunshineopto.com/contactus.html): Global offices, inquiries, and support channels. ## Product Category * [LED Street Light Module](https://www.sunshineopto.com/supplier-37908-led-street-light-module): Keywords: led light replacements,street light led retrofit,led lighting module. * [LED Street Light Components](https://www.sunshineopto.com/supplier-37907-led-street-light-components): Keywords: led light components parts,led street light fixtures,led street light replacement. * [LED Street Light Retrofit Kits](https://www.sunshineopto.com/supplier-37906-led-street-light-retrofit-kits): Keywords: led street lights retrofit,led retrofit kits,led retrofit light kit. * [SMD LED PCB Board](https://www.sunshineopto.com/supplier-37921-smd-led-pcb-board): Keywords: led light pcb,cree led pcb, cree led pcb. * [Constant Current LED Power Supply](https://www.sunshineopto.com/supplier-37919-constant-current-led-power-supply): Keywords: waterproof LED driver, Led Light Power Supply, Constant Current LED driver. * [3030 LED Lens](https://www.sunshineopto.com/supplier-240638-3030-led-lens): Keywords: led lamp lens,smd led lens,high power led lens. * [High Bay Light Lens](https://www.sunshineopto.com/supplier-240639-high-bay-light-lens): Keywords: replacement light lens,led bulb lens,high bay lens. * [LED Constant Voltage Driver](https://www.sunshineopto.com/supplier-37920-led-constant-voltage-driver): Keywords: Led Light Driver, waterproof LED power supply, led constant voltage power supply. * [LED Lens Array](https://www.sunshineopto.com/supplier-37909-led-lens-array): Keywords: multi lens array,led light array,micro led array. * [LED Optical Lens](https://www.sunshineopto.com/supplier-37910-led-optical-lens): Keywords: led optical lenses,led optic lens,street light lens. * [LED Street Light Lens](https://www.sunshineopto.com/supplier-37911-led-street-light-lens): Keywords: Led light lens,street light lens,lens for led lights. * [PMMA LED Lens](https://www.sunshineopto.com/supplier-37912-pmma-led-lens): Keywords: pmma lens,cree led lens,3w led lens. * [LED Collimator Lens](https://www.sunshineopto.com/supplier-37914-led-collimator-lens): Keywords: Pmma LED Lens,high power LED Lens,Led light lens. * [RGB High Power LED](https://www.sunshineopto.com/supplier-37915-rgb-high-power-led): Keywords: epistar led chip,high power rgb led,bridgelux led chip. * [1W High Power LED](https://www.sunshineopto.com/supplier-37916-1w-high-power-led): Keywords: high power 1w led, 1 watt high power led,full color leds. * [High Power COB LED](https://www.sunshineopto.com/supplier-37918-high-power-cob-led): Keywords: led chip high power,high power led module,cob high power led. * [LED Glass Lens](https://www.sunshineopto.com/supplier-101586-led-glass-lens): Keywords: cree LED Lens,Led light lens,Pmma LED Lens. ## Featured Products * [IP67 Waterproof 50-240W Adjustable PWM/Analog Dimming Constant Power LED Driver for Light](https://www.sunshineopto.com/quality-26624921-ip67-waterproof-50-240w-adjustable-pwm-analog-dimming-constant-power-led-driver-for-light): Keywords: Meanwell Street Light LED Driver,IP67 Street Light Led Driver,240W led street light driver. * [3030 SMD LED Street Light Module 140W/150W/180W TYPE 5 Angle Optical PC Components](https://www.sunshineopto.com/sale-14623661-3030-smd-led-street-light-module-140w-150w-180w-type-5-angle-optical-pc-components.html): Keywords: 3030SMD LED Street Light Components,28 Parallel LED Street Light Components,Optical PC LED Module Components. * [Custom 100W SMD 3030 LED PCB Board with 151x81 Degree Angle Lens for Lighting Solutions](https://www.sunshineopto.com/sale-14332560-custom-100w-smd-3030-led-pcb-board-with-151x81-degree-angle-lens-for-lighting-solutions.html): Keywords: Array Lens LED Street Light Module,LED Street Light Module 160lm/W,100w Street Light Optics Lens. * [Waterproof IP65 LED Driver 80W 15V 5A Constant Current Power Supply for Outdoor Lighting](https://www.sunshineopto.com/sale-43964415-waterproof-ip65-led-driver-80w-15v-5a-constant-current-power-supply-for-outdoor-lighting.html): Keywords: 75w Waterproof IP65 LED Driver,constant voltage Waterproof IP65 LED Driver,15V Waterproof IP65 LED Driver. * [173x71mm 24 LED 5050 SMD Module LED Street Light Components With Optic Lens](https://www.sunshineopto.com/sale-41417589-173x71mm-24-led-5050-smd-module-led-street-light-components-with-optic-lens.html): Keywords: 24 LED 5050 SMD Module,5050 SMD Module With Optic Lens,SMD Module LED Street Light Components. * [Waterproof Led Street Lighting fixtures Replacement Road Lamp](https://www.sunshineopto.com/sale-4084539-waterproof-led-street-lighting-fixtures-replacement-road-lamp.html): Keywords: led street light fixtures,led light components parts. * [8–20W 5050 SMD LED PCB Board with Customized Circuit Design for Street, Garden and Tunnel Lighting](https://www.sunshineopto.com/sale-37817389-8-20w-5050-smd-led-pcb-board-with-customized-circuit-design-for-street-garden-and-tunnel-lighting.html): Keywords: Street Light SMD LED PCB Board,Customized SMD LED PCB Board,SMD5050 Customized Circuit Board. * [Customized 20-100W SMD LED PCB Board LED Circuit Board For Street Light](https://www.sunshineopto.com/sale-43763271-customized-20-100w-smd-led-pcb-board-led-circuit-board-for-street-light.html): Keywords: 20-100W SMD Led PCB Board,Street Light SMD Led PCB Board,LED Circuit Board For Street Light. * [5050 SMD Array High Bay Light Lens 30 60 90 Degree Beam Angle For 30W-100W Lamp](https://www.sunshineopto.com/sale-12606771-5050-smd-array-high-bay-light-lens-30-60-90-degree-beam-angle-for-30w-100w-lamp.html): Keywords: replacement light lens,led bulb lens,Array High Bay Light Lens. * [7070 SMD LED Street Light Module with 158x103 Degree Beam Angle and 5050SMD LED Chip for 50W-120W Sidewalk Lighting](https://www.sunshineopto.com/sale-42713038-7070-smd-led-street-light-module-with-158x103-degree-beam-angle-and-5050smd-led-chip-for-50w-120w-si.html): Keywords: 7070 SMD Sidewalk Module,PC Lens Street Light Module. ## Case Studies & Applications * [Replace old lights with new ones - Italy: Streetlights](https://www.sunshineopto.com/cases/replace-old-lights-with-new-ones-italy-streetlights-28253.html) * [One Stop Service - France: Warning lights on construction vehicles](https://www.sunshineopto.com/cases/one-stop-service-france-warning-lights-on-construction-vehicles-28238.html) * [15 Years of Deep Cultivation and Customized Optical Cores](https://www.sunshineopto.com/cases/15-years-of-deep-cultivation-and-customized-optical-cores-29667.html) * [One Stop Service-United States: Fishing boat lights](https://www.sunshineopto.com/cases/one-stop-service-united-states-fishing-boat-lights-28241.html) * [Sunshineopto' One Stop Customized Service—— Hungary: 100w High Bay Light](https://www.sunshineopto.com/cases/sunshineopto-one-stop-customized-service-hungary-100w-high-bay-light-31746.html) * [Sunshineopto' One Stop Customized Service—— Vietnam: Flood Light](https://www.sunshineopto.com/cases/sunshineopto-one-stop-customized-service-vietnam-flood-light-31747.html) * [Sunshineopto's One-stop Service - Qatar: LED Outdoor Street Light](https://www.sunshineopto.com/cases/sunshineopto-s-one-stop-service-qatar-led-outdoor-street-light-46633.html) * [Stable Lighting Project in Ukraine with 2x6 LED Lens Modules](https://www.sunshineopto.com/cases/stable-lighting-project-in-ukraine-with-2x6-led-lens-modules-49673.html) * [Custom LED Optical Module for Portuguese Contractor from Writer Marshe ](https://www.sunshineopto.com/cases/custom-led-optical-module-for-portuguese-contractor-from-writer-marshe-52291.html) ## FAQ Q: How do you handle delivery delays? A: We understand the importance of timely delivery. Our production schedules are designed to meet deadlines, and we provide regular updates on order status. Q: How do you handle communication? A: We have a dedicated team fluent in multiple languages to facilitate clear communication. We also use various communication tools, such as WhatsApp, to ensure timely responses. Q: How do you guarantee quality? A: We have a rigorous quality control process in place, including inspections at every stage of production. Our products are certified by CE ,ROHS ,SGS, ensuring they meet high-quality standards. Q: What is your market positioning? A: We position ourselves as a reliable supplier of high-quality led lighting SKD solutions with a focus on sustainability and customer satisfaction. Q: Do you participate in trade shows? A: We regularly participate in Guangzhou Lighting Fair to showcase our products and connect with potential clients. Q: How can I check my order status? A: You can check the status of your order by contacting us via email or phone or whatsapp . Q: Can you customize packaging? A: Yes ,we offer customized packaging solutions to meet your branding needs.Pls send us your design . Q: Can you customize logo? A: Yes, we can customize logos according to your specifications.Pls send us your design . Q: What is your return and exchange policy? A: We have a straightforward return and exchange policy. If you encounter any issues, please contact us, and we will assist you promptly Q: How do you handle damaged shipments? A: In the event of damages or losses, we will work with the shipping company to resolve the issue and ensure you are compensated. Q: Do you offer shipping insurance? A: Yes, we offer insurance options for shipments to protect against loss or damage. Q: How much is the shipping cost? A: Pls inform your delivery address with postal code and we'll provide competitive shipping rates and can explore cost-effective options for you. Q: Do you provide door-to-door service? A: Yes, we can arrange door-to-door delivery for your convenience.(DDP shipping ) Q: What shipping methods do you offer? A: We offer various shipping methods, including sea freight, air freight, and express delivery (DHL,UPS OR FEDEX). Q: Do you have environmental certificates? A: Yes, we have several environmental certifications, including ROHS and SGS, which ensure sustainable practices. Q: Are your products compatible with third-party LED drivers? A: Yes, our Sunshineopto's LED modules and lenses are designed for broad compatibility. Share your driver specifications, and we will confirm compatibility. Q: Can you assist with product installation or integration? A: Yes, we Sunshineopto provide detailed installation guides and video tutorials. For complex projects, our engineers can offer direct guidance. Q: What angles and sizes do you offer? A: We offer a wide range of anlges and sizes. Specific options can be discussed during the order process. Q: Do you provide OEM and ODM services? A: Yes, we Sunshineopto offer both OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) services. Q: What is the sample lead time? A: Sample delivery usually takes about 5-8 days after confirmation of the request. Q: How can I get samples? A: You can request a sample by contacting us via email at <sales@sunshineopto.com>, specifying the product you are interested in. Q: How much do samples cost? A: The sample cost varies depending on the product, but it typically ranges . This cost is refundable upon placing a bulk order. Q: What is your quality control process? A: Our quality control process includes: Inspection of raw materials Monitoring during production Final product inspection before shipment Q: Do you accept L/C (Letter of Credit) payment? A: Yes, we accept letters of credit as a secure payment method for larger orders. Q: What are your payment terms? A: We accept various payment methods, including bank transfers, credit cards, and PayPal ,western union . Q: Do you provide customization services? A: Yes, we provide customization services for our products, including design the optical light distribution , lens lens  structure,design led pcb to meet our clients' specific needs. Q: What is your monthly production capacity? A: Our production capacity is 100000 units per month, allowing us to handle both small and large orders efficiently. Q: How long has your company been established? A: Our company, Shenzhen Sunshine Opto-Electronics Technology Co., Ltd., has been in operation for over 16 years, specializing in high-quality led lighting SKD Solution parts manufacturing and export. Q: How many clients have you served? A: We are proud to have served over 2,000 online and offline stores across more than 30 countries and regions. We are especially honored to be the authorized manufacturer for renowned brands such as ELA,DECO, Han's Laser and so on . Q: Why should I choose your company? A: I wanted to highlight some key aspects of our company: We are the professional Golden supplier for LED light optical solutions and customized LED lens, LED PCB module,led drivers and Lightings SKD parts over 16 years on Alibaba. Our team is known for professional communication and quick responses. We offer reasonable prices while maintaining stable high quality. We proudly cooperate with world TOP 500 companies. We have served over 10,000 clients across more than 35 countries worldwide. Our one-stop flexible customization service comes with a low MOQ. With over 16 years of specialization in the LED industry, we are committed to excellence. Attached are our certification documents, including SGS ,ISO9001 ,CE,ROHS which reflect our dedication to quality and sustainability. Q: Do you provide design support? A: Yes, we have 5 professional designers who can provide reference styles and design support. We can complete designs very quickly, often in just one day. Q: What are your factory qualifications and product certifications? A: We are ISO9001 certified and an authorized manufacturer , proving our international standards in social responsibility and quality control. Our products are ROHS & CE Standard certified, guaranteeing safety. We also hold SGS certificates . Q: Tell me more about your company background. A: Established in 2009, Shenzhen Sunshine Opto-Electronics Technology Ltd.is a direct factory with 16 years of expertise. With a 5,000㎡ facility and over 80 employees, we specialize in LED optical lenses & reflectors Annual turnover: USD 2.5 million . We have a complete production chain and an annual capacity of 100,0000 pieces, ensuring both stable delivery and consistent bulk quality. Q: Which brands have you cooperated with? A: You may recognize some of our partners, such as ELA, DECO, HANS' LASER and so on . We are an authorized producer for DECO, which means our quality control and craftsmanship meet the highest international standards. Q: What is your company scale and production capability? A: To give you a clearer understanding of our capabilities, below is a factory introduction and video tour showcasing our ISO9001 certified production lines and advanced HAITIAN injection molding machines, ranging from 60 tons to 600 tons, CNC machines, EDM machines, integrating spheres, and spectrometers. We possess a comprehensive, end-to-end quality control system. Q: Can you give me a brief introduction of your company? A: We are a factory with 16 years of experience in providing one-stop OEM & ODM services for led lens ,led pcb board ,led modules and led drivers as a complete lighting solutions supplier . Our commitment to quality and innovation has made us a trusted partner in the industry.Free design ,fast drawing, Q: Can you introduce your constant voltage LED drivers? A: Thank you for your inquiry about our constant voltage led drivers . We can supply Meanwell brand and local brand ,waterproof and non-waterproof . As a professional lighting solutions provider with 16 years of experience and a leading supplier on Alibaba, we offer full customization options. Could you please let me know your preferred request specification ? watt ,voltage ,IP , quantity and pictures ? Q: Can you introduce your Meanwell LED drivers? A: Thank you for your inquiry about the Meanwell led drivers . It's made from high-quality, Original Meanwell brand on the course. As a manufacturer with over 16 years of experience and a leading supplier on Alibaba, we offer extensive customization options to suit your brand. Could you please let me know your preferred request ? Which model numbers ? Are you looking for Meanwell brand or Philips brand or local cheap driver ? Q: Can you introduce your LED module products? A: Thank you for your inquiry about our LED MODULE. It's made of famous brand led chips like Lumileds ,Osram ,CREE and Meanwell or Philips or LIFUD drivers with high-quality and long lifetime and CE approved . As a manufacturer with over 16 years of experience and a top supplier on Alibaba, we provide comprehensive customization options. Could you please share your preferred request ? Are you looking for 100% same or similar led modules ? Q: Can you introduce your LED PCB board products? A: Thank you for your inquiry about our led pcb board . There're 3 kinds of different materials like aluminium materials ,FR4 materials and copper materials with excellent thermal conductivity and free design services . As a manufacturer with over 16 years of experience and a golden supplier on Alibaba, we offer full customization options. Could you please let me know your detailed request ? More details will be better for us to offer best solutions and best prices . Q: Can you introduce your LED lens products? A: Thank you for your inquiry about our led lens. It's our pleasure to serve you. As a ROHS & ISO9001 certified factory, we specialize in designing & producing high-quality led lens with fast delivery time . As a manufacturer with over 16 years of experience and the golden supplier of led lens on Alibaba, we pride ourselves on providing one-stop customization services to meet our clients' needs. May I know your request in details ? Where will you use it ? with PC or PMMA materials ? for what leds and what angle ? More specific details request to offer best price and solutions . Q: What certifications do your led lenses have? A: We Sunshineopto have CE/ RoHs of LED Lens. You can contact our staff to receive the original certificate for verification. Q: Didn't find the question you were looking for？ A: Please contact us derectly! Q: What payment methods do you accept? A: We accept T/T , PayPal, Western Union and LC . Other methods can be negotiated based on your needs. Q: Why choose SUNSHINEOPTO? A: Sunshineopto's advantages: 1.over 16 years of expertise in one-stop LED optical solutions.2.Full-range supply: LED lenses, LED drivers, LED pcb modules, heat sink ,custom serivce of LED pcb and LED lens etc.3. Strict quality control and premium materials.4. Strong R&D and production capabilities.5. Custom packaging and shipping options.6. 3 years warranty and after-sales service. Q: Do you offer a product guarantee? A: Yes, we Sunshineopto provide a 3-year warranty for LED light modules and 5-year for LED drivers. Q: What is the maximum temperature that your PCB aluminum substrate can withstand? A: The temperature when passing the LED pcb aluminum substrate's furnace can reach 70 ℃, and the normal working temperature should be controlled within 70 ℃. Q: Do you offer customize led pcb board? What about the delivery? A: Yes, we Sunshineopto can not only customize led pcb boards for you, but also match leds, lenses, power supplies, and more according to your needs.  We are one-stop led light SKD solutions suppliers from Shenzhen, China. Sample about 5 days  Quantity<2000 about 15 days Quantity>10000 about 20 days Q: How do you ship the goods, and how long does delivery take? A: Samples are shipped via DHL, FedEx, UPS, or TNT (3-5 days). Bulk orders can be shipped by sea or air, or as per your preference. Q: What is the lead time? A: Samples take 3-5 days. Mass production takes 10-15 days, depending on the order quantity. In some cases, we can expedite production for urgent orders. Please discuss your timeline with us. Q: Is there a MOQ limit for LED light module orders? A: Low MOQ, 1 piece for sample available. Bulk orders require a minimum of 50 pieces. We also handle small orders (around ten pieces) of LED lenses or LED light boards, but there will be a certain setup fee or engineering fee. We can discuss the specifics. Q: Will you offer samples for testing before placing an order? A: Yes, we recommend testing LED lens samples first. Q: If leds in pcb need ground? A: General LED lights have double insulation design, if they work at low voltage, they do not need to be grounded and can work normally. However, if the voltage is too high or it is humid, or if it isa Class I lamp (LED street lamp, floodlight), grounding the LED lamp can effectively ensure our safety, avoid electric shock and fire, and protect the LED components from damage. Q: How to make an LED light circuit board? A: Quotation & Designing→Cutting→Grinding boards→Dry film lamination→Exposure→Developing & Etching Stripping→Circuit inspection→Drilling→Solder mask preparation→White solder mask exposure→White solder mask development→Hot air solder leveling→Silkscreen printing→CNC routing→PCB inspection→SMT assembly→Lighting test→Packaging & Shipping. Welcome to contact us ! Q: For a new brand, do you recommend starting with OEM or ODM? A: This depends on your primary goals. ODM is usually a faster and more economical option, allowing you to launch mature products without upfront R&D investment. Once your brand is established, you can then create differentiated products through OEM. Q: How many lens molds do you have? A: We Sunshineopto have extensive engineering experience and over 3000 LED lens molds for you to choose from. Our mold opening fees are also more cost-effective compared to our competitors. Q: What technical support do you provide? A: We Sunshineopto provide optical design and testing, optical distribution design, electrical and circuit design (how to match the appropriate power supply). We also provide optical design for complete lighting fixtures. Q: Do you support adding logos to the products? A: Yes, we provide this service. Q: Why is my LED driver making a buzzing noise? A: A buzzing noise from an LED driver is often caused by electromagnetic interference (EMI) or vibration in the components. The most common causes are: 1.  Dimming Compatibility: If the LED driver is dimmable, certain dimmer switches or incompatible dimming technologies (e.g., TRIAC) can cause buzzing. 2.  Capacitor issues: Aging or low-quality capacitors may vibrate or emit noise. 3.  High-frequency switching: Some drivers operate at high frequencies that can produce audible noise, especially in poorly shielded units. 4.  Overloading: An overloaded driver may cause stress on components, leading to noise. Q: Can one LED driver power multiple LED strips? A: Yes. A constant voltage LED power supply can power multiple LED strips as long as the total wattage does not exceed the power supply’s rated capacity and proper wiring is used. Q: Are LED drivers dimmable by default? A: No. Only dimmable LED drivers support dimming. The driver must also be compatible with the dimming method used, such as 0–10V, Triac, or DALI. Q: Is IP68 always better than IP67? A: No. As we mentioned earlier, blindly choosing IP68 protection can not only lead to unnecessary cost increases but also affect the heat dissipation efficiency of the luminaires due to excessive sealing, thus shortening the LED lifespan. For most outdoor lighting applications, IP65 or IP67 is a sufficient and optimal choice. Only when the luminaire truly needs to be completely submerged for extended periods is choosing an IP68 product correct and necessary. Q: Is IP65 ok for outdoor lights? A: Yes, for most common outdoor scenarios such as roads, balconies, and building facades, IP65 is a perfectly acceptable and commonly used standard. However, for luminaires installed at low positions, potentially exposed to standing water, or those that are recessed (buried), we strongly recommend upgrading the standard to IP67 or IP68. Q: Is PMMA cheaper than polycarbonate? A: If the LED PC lens does not have a UV coating, the cost of the LED PMMA lens and the LED PC lens is roughly the same. Please consult our engineering team for specific pricing. Q: How can you tell if a lens is polycarbonate or plastic? A: There are two relatively simple methods: 1. Listen to the sound: Gently tap with your knuckles or a hard object. PMMA produces a crisper, louder sound, similar to a metallic tone. PC produces a relatively lower, more muffled sound. 2. Try bending (for sheets or thin plates): Try bending the led plastic lens slightly with your hand. PMMA feels harder and more brittle, with less elasticity, and feels like it's about to break. On the other hand, PC exhibits excellent toughness, feels more flexible and elastic, and can be bent into larger arcs. Q: What is the main advantage of polycabonate lenses over regular glass lense? A: The main advantage of polycarbonate (PC) lenses over ordinary glass lenses is their superior impact resistance. They are lighter, stronger, and less prone to breakage. Q: What's the main differences between led pmma lens and led pc lens? A: PMMA LED lenses offer superior optical clarity with over 92% light transmittance and excellent UV resistance, making them ideal for indoor and high-visibility applications. PC LED lenses provide exceptional impact strength and higher heat resistance (up to 130°C), but require UV coating for outdoor use. Choose PMMA for best light output and weatherability; choose PC for durability in high-temperature or high-impact environments. Please see this blog for details: PMMA vs PC Optical Lenses for LED Lighting . Q: How can I prevent my LED street light module from overheating? A: To avoid overheating, ensure the heatsink is the correct size and free of dust. Use a high-quality led street light module with good heat dissipation performance, ensure the ambient temperature does not exceed the recommended operating temperature range of the LED light module, and ensure the heat sink is installed in a well-ventilated location. Q: How can I extend the lifespan of my LED street light module? A: The lifespan of a typical LED street light module is between 50,000 and 10,000 hours. To extend its lifespan, ensure good heat dissipation, use reliable LED drivers, and high-quality LED street light modules. Regular maintenance and ensuring stable voltage and current also help extend its lifespan. Q: Why does my LED street light module flicker? A: 1. Loose connections are the most common issue → Check and tighten all terminals after power off. 2. Aging LED driver/capacitor failure → Replace the LED driver. 3. Voltage fluctuations → Check the power grid or install a voltage regulator. 4. Water ingress → Check waterproofing; flickering LEDs after rain is usually due to water damage. Q: Why is my LED street light module's brightness decreasing? A: Decreased brightness may be due to poor heat dissipation, damaged LED chips, or driver failure. Ensure good heat dissipation, check for damaged or burnt LEDs in the module, and check the LED driver for any faults. Q: What are your main products? A: We primarily produce a wide range of LED Light SKD items, including : LED Lens ,LED Pcb board ,LED Light module ,Meanwell led driver and LED Light SKD Parts,complete solutions for led lights . Q: What certifications do you have? A: Yes, our products are certified with various international standards, including: ISO9001 ,CE ,ROHS ,SGS Q: How is your pricing structured? A: We provide a detailed breakdown of our pricing, including all costs involved. There are no hidden fees, and we are happy to discuss pricing structures with you. Q: What customization services do you offer? A: We offer extensive customization options, including design, size, and led choice. Let us know your specific requirements, and we will do our best to accommodate them. Q: How do you handle cultural differences? A: Our team is trained to understand and respect cultural differences, ensuring smooth interactions. Q: How important are product samples? A: We understand the importance of product samples and can provide them at a reasonable cost, refundable upon bulk order placement. Q: Can you share market trends? A: Our R&D team continuously monitors market trends and can share insights to help you stay competitive. Q: What are your environmental practices? A: We prioritize sustainability and offer eco-friendly products certified by ROHS & SGS. We can provide documentation to support our claims. Q: Do you conduct product testing? A: All our products undergo rigorous testing to ensure they meet safety and performance standards. We can provide test reports upon request. Q: How reliable are you as a supplier? A: We have a proven track record of reliability and timely deliveries. Our clients can attest to our consistent performance. Q: Can you assist with tariffs and market entry? A: We can assist you in navigating market entry barriers by providing insights and support tailored to your target market. Q: How do you protect intellectual property? A: We respect intellectual property rights and can discuss measures to protect your designs and trademarks. Q: How do you ensure reliable logistics? A: We have established partnerships with reliable logistics providers to ensure smooth transportation and delivery of your orders. Q: How do you handle seasonal demand fluctuations? A: We can help you plan for seasonal demand by providing insights and flexible production options to meet changing needs. Q: Do you accept supplier audits? A: We welcome supplier audits and are transparent about our processes and practices. We can provide documentation to support our compliance. Q: What marketing support do you offer? A: We offer marketing support, including product images and promotional materials, to help you effectively market our products. Q: How do you handle customer feedback? A: We value customer feedback and have mechanisms in place to gather and act on your insights to improve our offerings. Q: How do you build brand loyalty? A: We focus on building long-term relationships with our clients through consistent quality and excellent service. Q: Are you a factory or trading company? A: We are a factory with 16 years of exporting experiences in providing one-stop OEM & ODM services forled lens ,led pcb board ,led modules and led drivers as a complete lighting solutions supplier . Our commitment to quality and innovation has made us a trusted partner in the industry. Q: What after-sales service do you provide? A: We prioritize customer service excellence and train our staff to provide the best support possible. Q: What are the shipping times? A: Express Shipping: 5-7 working days Air Freight: 10-15 working days Sea Freight: 35-45 working days We strive to ensure timely delivery and will keep you updated on the status of your shipment. Q: What is your production process? A: we will confirm the design with the customer and provide images or videos to ensure alignment with their expectations. This step is crucial for maintaining quality and meeting customer requirements. Q: Can you show me your product images? A: I'm pleased to share the product images produced by our factory. These images showcase our commitment to quality and craftsmanship. Q: What do your customers say about you? A: 95% Customers are satisfied with our services and products .Here's what our client Nicolas said "Marshe ,You and your teams are so professional ! We are happy with your products ". Q: Can I get a sample before bulk order? A: To start our cooperation with zero risk, we highly recommend a pre-production sample. We can make it according to your specifications so you can verify the quality firsthand before bulk production. Q: Can you tell me about your team? A: You will be supported by our dedicated team, including 5 professional designers for OEM/ODM development, 5 QC specialists, and 10 international service representatives to ensure smooth communication and project management. Q: Are you looking for long-term partnership? A: At SUNSHINEOPTO, we are not just looking for a single order; we are committed to building a long-term, reliable partnership. We believe our quality, certifications, and service can help your brand grow. What is the next step we can take together. Q: Do you have any customer testimonials? A: As one client shared: "It was a huge risk ordering without pre-purchasing samples. I am very happy with the quality from Sunshineopto." This trust is the foundation of our long-term partnerships. Q: What after-sales service do you provide? A: We offer one-stop service from design to shipment. Our professional merchandising and QC teams ensure bulk quality matches your sample. We provide 24/7 support and resolve any issues within 24 hours. Q: What is your team structure? A: You will be supported by a professional team including 5 designers, 5 QC specialists, and 15 international service reps, ensuring smooth communication from development to production. Q: Who are your main clients? A: We are more than a supplier; we are a manufacturing partner for renowned international brands. We are proud to be an authorized manufacturer for DECO, which signifies that our craftsmanship and quality meet top-tier brand standards. Q: Can you provide your company introduction? A: Sunshineopto is a fast-developing company founded in 2009 in Hongkong and 2011 located in Shenzhen ,China . Sunshineopto is a professional supplier for LED light optical solutions and customized LED lens, LED PCB module,led drivers and Lightings SKD parts over 16 years .Our SUNSHINEOPTO team has extensive experiences in the lighting industry, provide a complete set of led lighting solutions, including design the optical lenses, led pcb boards, PCB mounting LEDs , assembly, electronic testing, waterproofing . Energy saving, long-lasting, high brightness, easy assembly, high efficiency, improving energy utilization, reducing energy consumption and costs ,reliable optical solutions and advice, delivering trusted quality and fast service with professional exporting experiences. Q: What materials do you use for LED lens? A: We offer PMMA, PC, and Glass materials for LED lens. Q: What optical angles and light distributions do you offer? A: We offer round light distribution, batwing light distribution, symmetric and asymmetric options. Q: What PCB materials do you offer? A: We offer aluminium PCB, FR4 PCB, and copper material PCB. Q: What is your price range? A: We offer competitive prices based on your specific requirements and order quantity. Please share your target price range for us to provide the best offer. Q: Which markets do you serve? A: We serve over 35 countries worldwide with strong presence in North America, Europe, and Asia. Q: What testing standards do your products meet? A: Our products are certified with CE, ROHS, SGS, UL, and ISO9001 standards. Q: Can you arrange shipping for us? A: Yes, we can arrange logistics and shipping for you. We have established partnerships with reliable logistics providers to ensure smooth transportation and delivery. Q: Do you offer free samples? A: We can provide you with a stock sample free of charge. If you prefer a sample with your customized size and logo, that's no problem! We can produce it in as fast as 3 days, so you can receive it soon to check the quality and make your decision. Q: Can you help with product design? A: Is your design ready? If not, we have professional and reliable designers who have worked with us for over 16 years. We can help you with the design and can complete it very quickly—often in just one day! Please send me your request in details , and let's get started on the design work! Q: Do you have experience with door-to-door delivery? A: We have over 16 years of experience in design and specialize in producing a complete range of custom LED lens, LED PCB module,led drivers and Lightings SKD parts. We can also assist with shipping the goods directly to your door by DDP . If you need any help or have questions, please feel free to contact us! Q: How quickly do you respond to inquiries? A: We understand that a prompt reply is crucial for our customers, which is why we strive to be online 24/7. This ensures that whenever you need us, we can provide you with a fast and efficient response. Q: How do you handle shipping and logistics? A: We ship via DHL, UPS, FedEx for samples and sea/air freight for bulk orders. We provide tracking numbers and full logistics support including DDP door-to-door service. Q: What is your shipping process? A: Hi! Your bulk order is complete. Please find the final production photos/videos for your last confirmation. If everything is ok, we will arrange loading and shipment tomorrow. Q: How often should I clean my LED street lights? A: This depends on your environment. In clean suburban areas, cleaning twice a year may suffice. However, in industrial zones, coastal areas (where salt accumulation occurs), or heavily wooded locations (prone to falling leaves and bird droppings), quarterly cleaning is strongly recommended to prevent overheating and maintain lighting efficiency. Q: My LED streetlight is flickering intermittently; what is the most likely cause? A: The primary cause is typically loose or corroded wiring. Before replacing expensive LED components, please cut off the power supply and inspect all wiring terminals—both inside the LED fixture and within the junction box on the light pole—and tighten any loose connections. Q: Can I replace just a single burnt-out LED chip? A: This is certainly possible, provided you possess professional tools, spare LED chips, and basic testing capabilities. However, for non-professionals, we highly recommend simply replacing the entire LED street light module. This approach is more cost-effective, quicker to execute, and ensures the integrity of both the waterproofing and optical performance. Q: What is the difference between an LED street light module retrofit and a full street lighting replacement? A: An LED street light module retrofit involves replacing the light source within existing street light fixtures with LED street light modules, whereas a full replacement entails replacing the entire street lighting system—including the poles, wiring, and control systems. The former is lower in cost and faster to implement, while the latter offers maximized energy savings and advanced integration of smart lighting technologies. Q: What are the main benefits of upgrading street lighting using LED technology? A: Upgrading street lighting with LED technology offers several key benefits:①High Energy Efficiency: LED fixtures consume less electricity, thereby reducing utility costs.②Longer Lifespan: LED fixtures have a longer operational life than traditional street lights, reducing replacement and maintenance expenses.③Enhanced Safety: LED fixtures provide brighter, more uniform illumination, improving visibility and safety on the streets.④Environmental Benefits: LED lighting reduces carbon emissions and aligns with sustainability goals. Q: What is the cost of an LED street lighting module retrofit? A: The cost of an LED street lighting module retrofit depends on several factors, such as the number of fixtures, the existing infrastructure, and the specific type of LED modules used. On average, the cost of a module retrofit is lower than that of a full street lighting system replacement, making it a more economical option for municipalities with limited budgets. Q: How long does it take to upgrade street lighting using LED technology? A: The time required to upgrade street lighting depends on the size of the project and the number of lights that need to be upgraded. Small projects may take only a few weeks, while large-scale urban redevelopment projects may take several months. Because it utilizes existing infrastructure, the installation process is usually faster than a complete replacement. Q: Does LED street lighting require maintenance? A: Yes, it requires regular maintenance. LED lights typically have a lifespan of 50,000 hours or so, much longer than traditional lights. Maintenance typically includes occasional cleaning of the lampshades and checking for problems with wiring or the control system. Please refer to our previous blog . Q: Can LED street lighting be integrated with smart city technologies? A: Yes, LED street lighting can be easily integrated with smart city technologies. Features such as remote monitoring, automatic dimming, and smart sensors can be added to LED street lights to achieve better energy management, improved safety, and reduced operating costs. Smart city integration also allows for data collection and real-time adjustments based on factors such as traffic, weather, or time. Q: What is the lifespan of LED streetlights? A: Generally, the design lifespan of high-quality LED streetlights is typically 50,000 hours. In the LED industry, there's a common term: L70 standard. The industry typically defines the lifespan of a luminaire as when its brightness decays to 70% of its initial brightness. Therefore, 50,000 to 100,000 hours is only the theoretical lifespan of an LED light when it meets the L70 standard. At this point, it may still be lit, but the illuminance will no longer meet safety standards.Furthermore, the lifespan of LED streetlights is also affected by factors such as the LED driver power supply, heat dissipation design, LED chip quality, IP protection rating, and environmental conditions. In a word, if the LED power supply is replaced in a timely manner (every 5-7 years), its actual service life is approximately 8-15 years. Q: What should be done if lenses paired with white LED chips exhibit "yellow spots" or a bluish tint at the center of the l A: The most conventional market solution for eliminating yellow spots in lenses is to incorporate a frosted finish or a "fish-scale" texture to enhance light mixing, or simply to mask/block out the yellow light component. While this is the simplest and most widely adopted method, it comes with a drawback: it not only blocks the faint yellow light but also obstructs a portion of the useful light output, resulting in reduced overall luminous efficacy. Q: Can lenses made of different materials be mixed within a single lighting fixture? A: This is not recommended.Different materials possess different refractive indices; mixing them will result in uneven light distribution and chromatic aberration (color distortion).Whenever possible, use lenses made from a single, uniform material within any given lighting fixture. Q: What is "light transmittance" in the context of lenses? A: Transmittance refers to the ratio of light passing through a specific material at an average thickness of 3mm.The transmittance of pure PMMA raw material is approximately 93%, while that of pure PC raw material is approximately 91%.However, the actual transmittance of a lens is not a fixed value; it is influenced by various factors such as shape, thickness, mold quality and surface finish, and the injection molding process. Generally speaking, what our clients are truly interested in is the light utilization efficiency.Light utilization efficiency is primarily determined by the quality of the optical design, the manufacturing rigor of the facility, and the specific characteristics—including beam angle—of the lens product in question.The actual light utilization efficiency of a product is calculated as follows: Optical Design Efficiency × Losses from Molding and Injection Processes × Product Transmittance. Q: What is the difference between a clear lens and a frosted lens? A: Clear Lens: Offers high brightness and excellent light concentration, making it suitable for spotlighting and accent lighting applications. Frosted/Diffusing Lens: Features low glare and produces soft, diffused light, making it ideal for general ambient lighting in indoor environments. Q: Does Sunshineopto offer custom lens solutions? A: Yes, we do. We can customize lenses based on specific LED chip models, beam angles, shapes, and materials, catering to a wide range of applications across indoor, outdoor, industrial, and agricultural settings. Q: What is the difference between SMD LED and COB LED, and which one is better for LED lighting projects? A: SMD LED (Surface Mounted Device) and COB LED (Chip on Board) are two of the most widely used LED types in modern lighting projects. SMD LEDs use multiple individual LED chips mounted on a board, while COB LEDs integrate many chips into a single lighting module. For general lighting and flexible LED module design, SMD LEDs are often preferred. However, for high-power applications such as outdoor lighting and street lighting, COB LEDs usually provide more uniform light output and better optical performance. Q: When should I choose COB LED instead of SMD LED? A: You should choose COB LED when your lighting project requires high lumen output, uniform illumination, and reduced glare. COB LEDs are commonly used in LED street lighting, floodlights, and industrial lighting systems.When combined with a well-designed LED lens and proper optical design, COB LED solutions can significantly improve light efficiency and beam control in outdoor lighting applications. Q: Are SMD LEDs more efficient than COB LEDs in outdoor lighting? A: Both SMD LED and COB LED technologies can achieve high luminous efficiency. However, in real-world outdoor lighting and street lighting applications, efficiency depends more on the overall system design, including LED lens, optical distribution, and thermal management.COB LEDs paired with optimized optical lenses often deliver better effective lighting efficiency by reducing light loss and improving beam uniformity. Q: What are RGB LEDs mainly used for in lighting projects? A: RGB LEDs are mainly used in decorative lighting, architectural lighting, and smart lighting systems. Unlike SMD LED or COB LED used for functional lighting, RGB LED is designed for color-changing effects. Q: Can RGB LED be used for outdoor lighting or street lighting? A: RGB LED can be used in outdoor lighting for decorative purposes, such as parks, bridges, and architectural lighting. However, it is not suitable for street lighting, where stable white light and safety standards are required.For road lighting and functional outdoor lighting, SMD LED or COB LED combined with professional LED lens solutions is a better choice. Q: What is UV LED and what are its applications? A: UV LED (ultraviolet LED) emits ultraviolet light and is mainly used in specialized applications such as curing, sterilization, disinfection, and industrial processing.Unlike SMD LED or COB LED used in general lighting, UV LED is not designed for illumination but for functional purposes in medical, industrial, and environmental applications. Q: Is UV LED safe for human exposure? A: UV LED safety depends on the wavelength and exposure level. UVC LED, commonly used for sterilization, can be harmful to skin and eyes if not properly controlled.When integrating UV LED into a system, it is essential to follow safety standards and ensure proper shielding and optical design to avoid direct exposure. Q: How do I choose the right LED type for my lighting project? A: Choosing between SMD LED, COB LED, RGB LED, and UV LED depends on your application:• SMD LED: suitable for general lighting and flexible LED module design• COB LED: ideal for high-power outdoor lighting and LED street lighting• RGB LED: best for decorative and color-changing lighting• UV LED: used for industrial and sterilization applicationsIn addition to LED type, factors like LED lens selection, optical design, and environmental conditions are critical for achieving optimal performance. Q: Which LED type is best for outdoor lighting and street lighting? A: For outdoor lighting and LED street lighting projects, COB LED and high-power SMD LED are the most commonly used options.However, the final lighting performance depends heavily on the LED lens, beam angle, and optical design. A well-designed LED module system can significantly improve lighting efficiency and durability in harsh outdoor environments. Q: For outdoor lighting and LED street lighting projects, COB LED and high-power SMD LED are the most commonly used options A: When selecting the right LED type, consider the following:• Application (outdoor lighting, street lighting, industrial, decorative)• Required brightness and uniformity• Beam angle and LED lens compatibility• Optical design and light distribution• Thermal management and system reliability• Environmental factors (IP rating, temperature, humidity)For professional lighting projects, combining the right LED type with optimized optical solutions and LED modules is essential for long-term performance and cost efficiency. If you have any related questions, please feel free to contact us at any time! Q: How fast can I get a quote? A: We respond within 24 hours. Once requirements are clear, a full quote usually takes 1–2 working days. Q: Can you quote without ready-made drawings? A: Absolutely. A sketch, a reference photo, or a few key parameters (LED model, beam angle, size) is enough. We’ll fill in the rest. Q: Is the optical design really free? A: Yes, completely free. Free optical design and free LED circuit design are our promise to every customer, regardless of order size. Q: Why do mold costs vary so much between factories? A: The difference lies in steel quality, precision, and mold life. High-precision optical molds use top-grade steel and require mirror polishing — the upfront cost is higher, but they last longer and produce better lenses. Cheap molds often cost more per piece in the long run. Q: What if my initial quantity is very small? A: No problem. We tailor the production plan to your volume. Even tiny orders get the same free design support. Q: What is the minimum order quantity for custom lenses? A: It depends on the mold size. Even if your volume is small, you still get free optical design. Just talk to us, and we’ll find a way. Q: How long does it take from design to shipping? A: If you provide the design drawings, we will spend approximately one week designing the experimental mold within 10 days, confirm the light spot characteristics, and produce the final mold in about 25 days. Once you receive the confirmed mold ready for production, the project can be completed through mass production in just 10-12 days.As a dedicated optical lens manufacturer with a 16-year Shenzhen factory, we keep tight control over every stage to ensure on-time delivery. Q: I only need a small quantity at first. Is the optical design still free? A: Yes, absolutely. Free design is a promise we make to every customer, big or small. Q: Which LED brands do you support? A: We work with major brands like Cree, Lumileds, Osram, Nichia and so on. Also with COB, SMD and high-power LEDs of all kinds. Q: Why do you first make experimental molds and test samples? A: This is a lower-risk approach for you. A test mold allows us to produce real samples, test light spots, and simulate light distribution. If any adjustments are needed, modifying the test mold is much cheaper and faster. It improves efficiency and is the responsible way to handle LED lens customization. Q: Does the customized led lens mold belong to me? A: Yes. Always. 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