Shanghai Hongchao Electrical Lighting CO.,LTD,is a compnay specialised in HID lamps,include metal halide lamp,sodium lamp,mercury lamp, dysprosium lamp and ballst in Shanghai.the high quality and better service guanantee our development.Our lamps are widely used in city contruction,port,supermarket,Tunnel,gas station,garden and so other places. Now our company has passed the ISO9001 and ISO14000.and Hope we can find the right pantners from home and broad that we can grow more quickly. we believe that we can keep into the wonderful future for your support and our effort.