Our company, Hangzhou Beier Power Supply Co., Ltd is a leading and professional manufacturer of various switching power supplies. We also process the product according to the clients'drawing and requirements. Our products are used widely for example industry, communication, telecom etc. and exported to America, Europe, middle east and southeast Asia. We always pay more attention to the quality of goods, the defective rate is controlled under 0. 5%. Our products meet the ISO9001, UL, CE, Rohs and 3C standards.