Qingdao Light Optical Electrical Technology Co.,Ltd. is a manufacturer and contract manufacturer of photographic equipment and optical products, based in Qingdao, China. Established in 2014, the company employs between 11 and 50 people and operates with a complete and scientific quality management system. They specialize in a range of products including photographic filters, close-up lenses, telephoto lenses, optical antennas, and Gemini magnitude products. Their product offerings feature various Xpro brand extension tubes such as Xpro Ef-16extension Tube, Xpro Af-16extension Tube, Xpro Light Feeler, and Xpro Super extension tubes, as well as the Xpro 1.7X Extender Tube. The company possesses a factory and is recognized for its integrity, strength, and product quality within the industry.
Qingdao Tonghui Lighting Technology Co., Ltd. is a high-tech enterprise based in Qingdao, China, specializing in the R&D, design, production, and installation of LED energy-saving lighting solutions. Established in 2013 with a registered capital of 12 million RMB, the company operates as a manufacturer and trading entity with a strong focus on both domestic and international markets. Their comprehensive product portfolio includes building facade lighting, road lighting, indoor lighting, and LED display screens (P2.5, P4, and P10 models). Specific product lines feature LED wall washers, line lights, high bay lights, floodlights, panel lights, and solar-integrated lamps, many of which support DMX control and RGB/RGBW functionality.
The company maintains a robust manufacturing infrastructure equipped with advanced production and testing technology, including SMT automatic high-speed placement machines, spectrum analyzers, and photometric distribution meters. With an R&D team of experienced professionals, Qingdao Tonghui holds between 16 and 33 patents, reflecting a commitment to innovation in lighting technology. Beyond product manufacturing, they offer specialized engineering services for garden, landscape, and interior lighting projects, supported by professional project managers and construction teams. Their strategic location near Qingdao Port and airport facilitates efficient global logistics, enabling them to serve as a reliable OEM and contract manufacturer for diverse commercial and municipal clients.
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