Siying industrial development zone
Hebei Tongli Automatic Control Valve Manufacturing Co., Ltd. is a comprehensive enterprise integrating valve research, production and sale. In recent years, our company has been mainly engaged in the development and production of HVAC and water supply, drainage valves, digital locked balance valves, flow control valves, self-reliance type dynamic resistance differential pressure control valves, balance valves, electric 3-way regulating valves, electric two-way valves, regu...