Tongou is a registered trademark of Changyou Technology, established in 1993, dedicated to becoming a leading expert in high-end low-voltage electrical system solutions. We take solving customers' pressures and challenges as our mission and are committed to creating exceptional value for our customers.
Tongou focus on the electricity safety products for household, commercial, industrial and similar installations, Such as Miniature Circuit Breaker (MCB), Residual Current Circuit Breaker(RCCB), Residual Current Circuit Breakers with Over-current Protection(RCBO), Switch-Disconnector, Distribution Box, Moulded case circuit breaker(MCCB), air circuit breaker(ACB), AC Contactor, and smart circuit breakers of IoT.
