Nanker (Guangzhou) Semiconductor Manufacturing Corp. is a division of Nanker (Guangzhou) Semiconductor Mfg Corporation. We are a professional supplier integrated with R&D, manufacture, sales and related services of semiconductor lighting products. Since 2005, we have been focusing on LED products, ceiling and tunnel lights, as well as LED streetlights, desk lamps, bulbs and more. Our advantages: One of the first in the world to integrate 300 or 400V light sources using VLSI IC packaging technology One of the first in the world to integrate high-voltage constant-current devices and a driving circuit with both constant voltage and current features One of the first in the world to use a rod-like heat sink structure in LED lights With numerous patents for innovative technology Using optical lenses to improve light efficiency by more than 70 percent, and a light uniformity ratio of more than 0.6 More than these, we can also tailor samples according to your ODM ideas. Our 20 engineers can create a new sample as per your specifications in just one to three months. ISO 9001:2000-certified production Product quality is never an issue if you work with us. This is because our in-house production is ISO 9001:2000-certified. Moreover, materials we source from Japan and Taiwan are CE-, UL-, CCC- GS- and CB-approved. With testing equipment from Japan and Taiwan, our 20 testers control the repair rate under 0.3 percent. All of our items are CE-, CCC- and UL-marked, and they are guaranteed with two-year warranties. Four factories for volume needs Buyers in Europe, the Americas and Asia count their big orders with us. This is because we have four factories with a total area of 130, 000 square meters to meet their volume needs. Each year, our 800 workers can produce 500, 000 LED streetlights. Contact us today for more information.