DUNAN VALVE Directional Valve.DUNAN VALVE adhere to the “quality of survival, innovation and development” business philosophy, the establishment of a national laboratory accredited professional testing center, leading or participating in a number of national standards of valve products drafting and revision, leading the healthy development of the industry. DUNAN VALVE is a famous brand in China, with dozens of national patents. Especially in automatic thermostatic valves, manual temperature control valves, gas valves, expansion valves, one-way gate valves and globe valves, various locking valves and other copper valves, are in the leading position in the industry. The products are widely used in water supply, heating, gas, solar energy and environmental protection and other engineering fields. The company has proudly cooperated with many international famous enterprises such as Johnson of the United States and Fisman of Germany to research and develop new technology and new products. The main products include: Directional Valve, Electronic Expansion Valve, Solenoid Valve, Thermal Expansion Valve, Globe Valve, CO2 Series Valve Fittings, Pipe Fittings, Devices, Tube Assemblies, Integrated Tube Assemblies, Ball Valve, Check Valve, Temperature Reduction Module, Filter Dryer, Gas-Liquid Separator, Filter Dryer, Finned Heat Exchanger, Microchannel Heat Exchanger, Shell & Tube Heat Exchanger, Refrigerant Valve, Coolant Control Parts, Thermal Management Unit Series.
