CNSN is a specialized manufacturer and exporter of various switch and instruments, solar inverter and other electric products. We also will supply good service to all customers with honest cooperation attitude and try our best to develop the process of automation. Our Brand: CNSN,SANLICO,TRESS. Product certifications: ISO9000,CCC,CE,UL,TUV. What we offer: 1) Electric products: Various circuit breakers, AC contactors, relays, earth-leakage protective breakers, instruments, tools, ...