Shaanxi Kwunwun Electric Appliance Co., LTD., is a development, production, sales of small circuit breaker, molded case circuit breaker, leakage circuit breakers, residual current electrical fire monitoring probe, dual power automatic transfer switch, load switch, control protection switch, intelligent universal type circuit breaker, intelligent motor soft starter, frequency conversion governor, surge lightning protector, multi-function meter, ammeter, voltmeter, high voltage vacuum circuit ...