Donguan Uchi Co,Ltd.established in 2006,Has become a large-scale professional manufacturer,interating the development and production of a full range of varistors,thermistors,PTC seriess,NTC series,surge protection device component,and mine-protect product component,in the forefrot of the same industry.our degaussing PTC series feature unique advantages of curretn-liiting fever,and our NTC resistors feature the particularly high power cost.