Shanghai Tongyong Electrical Manufacturing Co., Ltd. is established in 1997, which specially develops manufactures and sells low voltage electrical devices. Our company has powerful technical force, complete production equipment and checkout equipment, sound testing method and updated production technology. Our major products include residual current circuit breakers, current transformers, wind power generators, wall switches, plugs & sockets, GFCI receptacles, distribution boxes, surge protection devices and other related products. We have passed the authentication of ISO9001 international quality system. All products made by our company have international certification, such as CCC, CE, RoHS and so on. Our company has been appraised as an enterprise with credit in honoring the contracts by Shanghai Administrative Bureau for Industry & Commerce since 2002. ... 
China