Zhejiang Great Electrical Co., Ltd is a science and technology manufacturer specialized in research,Website:http://www.grt-relay.com, development, production and sales of latching relay, shunt resistors and current transformer. GRT is located in Jiashan County,it takes only 20 minutes from high-speed rail station and 1 hour to drive from shanghai. GRT has a new factory of 12,000 square meters, currently has 500 skilled employees. Both management officials and technical people have many years experience in the production and management of latching relays, shunt resistors and current transformers. GRT passed ISO9001-2008, ISO14001: 2004 and OHSAS18001:2007. The main products attain certifications of CQC, VDE, UL and ROHS. Since its establishment in 2003, GRT has possessed of many latching relay utility-model patents, and also it is one of the drafters of “latching relay used in electrical energy meter” of Standardization Technical Committee of National Electrical Instrument.