Shanghai Tongyong Electrical Manufacturing Co., Ltd. was established in 1997, which specially develops manufactures and sells low voltage electrical devices. Our company is located in Shanghai City, with a production base covering an area of 15,000 square meters in Songjiang hi-tech industrial park. Our major products include mini circuit breakers, residual current circuit breakers, current transformers, distribution boxes, wall switches, sockets, surge protective devices and other related products.  Our company has powerful technical force, complete production equipment and checkout equipment, sound testing method and updated production technology. We have passed the authentication of ISO9001 international quality system. All products made by our company have international certification, such as CCC, CE and RoHS. Our company has been persevering in the policy of "having quality as the outline". We clearly identify quality as responsibility and strictly control every step and working procedure of production. So all kinds of factors that might lead to disqualification are effectively controlled and prevented. Consequently, our product quality is guaranteed. Our company also participates in competitions in overseas markets with "the first-class quality, top-ranking service and reasonable price". We would like to cooperate with new and old clients both at home and abroad for mutual development.