A leading manufacturer of bimetal type thermal protectors, thermal fuse, thermostat and temperature controller. Our products are all individually temperature tested and checked with customized equipments and machines and approved by UL VDE.Changsheng products are featured of snap action, low-cost and high reliability, widely used in motors, transformers ballast, automotive heating pad and battery chargers etc. Management system: ISO9001/TS16949/ISO14001 RoHS and REACH CompliantWe are approved supplier of some famous companies, including, LG, Samsung, Panasonic, Hisense, Hitachi, W.E.T, PEPI, Hanning, WILO, Broad ocean, Nidec, etc.