Shenzhen Hua HengXin Technology Co., Ltd. (HHX) is a thermostat manufacturer specializing in the production of temperature control switches, thermal protectors, overcurrent protectors, overload protectors, temperature switches, thermostats, KSD301 thermostats, KSD301 temperature control switches, KSD301 temperature switches, KSD9700 temperature control switches, and other related products. Huahengxin is a leader in China’s temperature control industry, with 15 years of manufacturing experience. The company has adopted advanced foreign process technology, and its products have obtained UL, VDE, TUV, and 3C safety certifications. These products are widely used in household appliances and are trusted by customers both domestically and internationally.