HSD power is referred to as(HSD), is a professional electrical and power reply, electrical appliance, charge, LED driver, switching power supply, instruments of research and development, production and sale of limited liability companies, products are exported to the Asia-Pacific, Europe, America, Africa and China. In order to meet customer and market demand at home and abroad, the company adopted a series of security products certification more than 90% products approval the UL/GS/CE/BS/PSE/SAA safety.