Yueqing Tongzheng Electric Co., Ltd. was founded in 2002. With the development of more than seven years, we have "TOMZN" brand and focus on the development, manufacture, trade and service of  low-voltage electrical appliances.

Our company is specialized in producing Residual Current Circuit Breakers (RCCB), Miniature Circuit Breakers (MCB), DC MCB,Residual Current Circuit Breakers with over current protection, Switch-Disconnectors, Circuit Breaker Accessories, Surge Protective Devices, power supplies and Automatic Transfer Switches.

We have obtained a number of certifications including ISO9001, CE and CCC. We have advanced production, inspection and test equipment and rich technical strength, and also we have a mould department and an injection molding department. Our company insists on regarding market as our direction, with the aim of "quality for survival, prestige for development". Pioneering and keeping forging ahead constantly, the staff members of our company keep forging ahead actively, reform constantly, and perfect our management.