Specializing in intelligent HID electronic ballasts for high pressure sodium lamps (HPS) and metal halide lamps (MH) of indoors and outdoors, Qidong Sunkan Electronic Co., Ltd. is an environmentally friendly high-tech company, which combines research, development, manufacture, sales and customer service. We are located in Qidong and only about one hundred miles away from neighboring city - Shanghai. With a R&D team of fifty professionals, Sunkan Electronic enjoys both professional technology and fame in this industry. With technical supports from the test of National Center of Supervision...