Wisdom is a professional manufacturer of thermostatic element, thermal actuator from China.Wisdom's newly developed thermal material achieved breakthrough in the market, compared with traditional Wax made elements, Wisdom products with wider working temperature, superior performance, sensitive temperature response, higher stroke height, greater load strength and supreme reliability.The main product range is: T&P relief valve thermostat probe, thermo-electric actuator element, mixing valve element, freeze protection valve element, VAV diffuser element, automobile thermal control valve, and all kinds of customized thermal actuators.