... ,very high quality, widely exported. thermostatroom thermostatwater heater thermostat WZA-C/D SERIES thermostat CE certificates, very high quality, widely exported. More ... in China to produce:Circuit breaker: mcb, rccb, mccb, rcbo.AC contactor: LC1-D, GMC, CJ40, KT6023Fuse: NT00C/NT00/NT1/NT2 ...