... 05≥0.5≤1.710000Founded in 1995, Shanghai Chenghe Industry Co., Ltd. is located ... Shanghai. Our company has 43,056 square feet workshop area and 140 employees. Our company has been manufacturing various energy-saving lighting ... fixtures and ballasts, such as portable table & floor lamps, torchieres, ceiling fixtures, Led lamps and electronic ... Star ,GS, CE and FCC. Electronic Ballast manufacturer