Your Expert Electrical Manufacturer Since 1993
Tongou, a registered trademark of Changyou Technology, is a dedicated factory specializing in the research, development, and manufacturing of high-end, low-voltage electrical solutions since 1993. Our mission is to solve the pressures and challenges our customers face, creating exceptional value through our direct manufacturing expertise.
As a premier manufacturer, we operate a comprehensive production system and a robust R&D team. We produce a complete range of electrical safety products, including Miniature Circuit Breakers (MCB), Residual Current Circuit Breakers (RCCB/RCBO), Moulded Case Circuit Breakers (MCCB), Air Circuit Breakers (ACB), and pioneering IoT smart circuit breakers. Designed for household, commercial, and industrial applications, our products are built in-house to the highest safety and quality standards.