Coevalight Photoelectric Limited
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Shenzhen Colighting Ltd.
🇨🇳 China
201311-50 peopleManufacturer/Trading CompanyOwn brand
Low MOQ
OEM manufacturer
ODM manufacturer
Shipments
172
Key customer
111 VIETNAM TECHNOLOGY
Key market
🇻🇳 Vietnam
Description
Shenzhen Colighting Ltd., also known as WELCOB, is a national high-tech enterprise founded in 2013 and based in Shenzhen, China. Operating as both a manufacturer and trading company, the firm specializes in high-end COB LED technology, PCB circuit design, and comprehensive LED lighting solutions. With over 20 years of research and development experience in LED packages and semiconductor fields, the company utilizes fully automatic production lines and aging test equipment to ensure product quality. Their extensive product portfolio includes DC and AC COB LEDs, SMD LEDs, driverless AC DOB modules, and specialized solutions such as UV LEDs, IR LEDs, and full-spectrum LED grow lights for indoor cultivation. Shenzhen Colighting Ltd. provides significant ODM and customization capabilities, offering tailored products like RGBW modules, fishing LEDs, and stage lighting components. The company is a verified supplier with CE and RoHS certifications, maintaining a focus on international standards and high-performance semiconductor applications. Their manufacturing facility supports a diverse range of power specifications, from 20W chips to high-power 800W modules, serving global markets with professional-grade optical components and controllers.
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Nanjing Co-Energy Optical Crystal Co., Ltd.
🇨🇳 China
200951-100 peopleManufacturerProduct customization
OEM manufacturer
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Shipments
28
Key customer
IIVI
Key market
Europe
Description
Nanjing Co-Energy Optical Crystal Co., Ltd. is a leading global manufacturer and supplier of custom optics and optical components, based in Nanjing, China. Established in 2009, the company employs 51 to 100 people and specializes in UV optics, silicon optics, sapphire optics, and laser diode optics. They offer a comprehensive portfolio including various optical windows (Sapphire, Fused Silica, Silicon, Germanium, IR, UV, Magnesium Fluoride, Calcium Fluoride, Laser, Borosilicate Glass), optical lenses (plano-convex, plano-concave, bi-convex, bi-concave, meniscus, achromatic, cylindrical, aspheric, sapphire, rod, collimating, cylinder), optical prisms (Corner Cube Retroreflector, right angle, optical beam splitter, penta, dover, roof, rhomboid), optical mirrors, bandpass filters, and IPL light guides. Nanjing Co-Energy Optical Crystal Co., Ltd. provides OEM and ODM services, operating a factory with over 10 production lines and an annual output value between US$2.5 Million and US$5 Million. Their products are strictly produced according to USA military specification MIL-O-13830A and ISO 10110, supported by advanced inspection devices and an ISO 9001 certified quality control system. The company has a strong export focus, with over 90% of its products going to international markets including North America, South America, Europe, and Asia, serving industries such as semiconductor manufacturing, industrial metrology, analytical chemistry, applied spectroscopy, medical, life sciences, and defense. They are known for their high-precision plane and sphere optics, CNC grinding and polishing capabilities, and specialized optical fabrication techniques for polishing to the highest international standards.
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