“ChangZhou ZhanChang Auto Electric Spare Parts Factory" and "ZhanChang-JingHua Enterprise Company Limited" are all affiliates of "ZhanChang Enterprise Company Limited",which located in the Yangtze River delta area, close to the industrailized cities of ShangHai and HanZhou. They are all important manufacturers specialized in all kinds of automotive LEDs, automotive halogen lamps,Solar panels, Solar water heaters Solar lights, and so on. Factories have advanced production equipment and professional, technical personnel, so most of present products have been proved quality certifications such as EMARKS, TUV, CE, SGS and ISO-9001.