Suntree Lighting Technology CO., Ltd is a set of LED waterproof Power supply and centralized EPS Fire emergency power supply development, production, sales and service of privately operated high-tech enterprises. At present, Company covers an area of 12000 square meters, Production base in Shiyan Shenzhen covers an area of 6000 square meters. Headquarters in Fenggang Dongguan covers an area of 6000 square meters. We have a staff of more then 400 workmates which include 85 technicians. We already obtain some patent for inventions. There are four STM production lines, four plug-in production lines, four backhand welding production lines, thirty-two sets of aging equipment, the annual production capacity of 500 millions units.