Xi’an XD Electrical Material Co., Ltd., established in 1958, a subsidiary of XD group, is one of 156 key projects during the first five-year Plan in our country, It is the large-type backbone company for manufacturing the electrical insulating material at home. And the products includes seven categories which are laminate products、filament wound and rolling products、copper clad laminate、insulating varnish and resin、mica products、composite material and VPI products in all about 150 kinds. We have undertook the research, development and production of insulating material for national key projects such as defense industry、aircraft 、large-type power generation, transmission and distribution station as well as Three Gorges Station etc for many years. At the same time we have won reliable belief and good reputation at home. The company which is developing quickly not only possesses a group of high-quality technical and professional personals, but also has built perfect modern management system. And we have always made great contribution to national power, motor and defense industries based on rich experience and professional skills for fifties years, supported by its strong research and development capabilities, protected by advanced quality inspection system. We has passed ISO9001(2000) quality management system, ISO14001：2004 and OHSMS18001：2001 and clean production quality management system checked by Shaanxi Environmental Protection Bureau. The company is authorized the center of quality surveillance and examination of electrical insulating products in Northwest area.