EAST GROUP, which starts its business since 1989, is a high-tech enterprise specialized in electronics and power supply business, with two production sites and over 126 sales branches covering China as well as many overseas partners. It is the only listed company in power supply business in China, and now the designated supplier of many well-known firms in many countries.    With over 15 years in line, EAST brand series products including UPS, inverter, stabilizer and lead-acid maintenance-free battery ?, which are tailor-designed to meet most international standards and clients' specific requirements. We are one of the few manufacturers that cover full ranges of power supply products. At present a lot of world famous companies have co-operated with EAST in technical field. We are looking forward to holding hands with more and more firms.