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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, regulating valves, temperature difference and temperature control valves. Our feed water series includes remote-controlled floating ball valves, hydraulic level control valves, hydraulic slowly-closing silencing check valves, vacuum regulator valves and so on. Some products have obtained 12 national patents, and our products have been endorsed by the ministry of construction as the construction, design staff preferred products, and are successively chosen by the national key projects. Our company has are capable of casting, processing, assembly and quality inspection. We employ a number of domestic and foreign well-known experts and professors as technical advisers, constantly improve the technological content of products and develop new products to make technology tangible.