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Profile: Aou Bai Valve is a manufacturer of API design ball valves, gate valves, check valves, globe valves, butterfly valves, plug valves and strainers. Our products are used in petroleum, chemical, metallurgical and power industries. Our gate valves are ideal for processes with large temperature fluctuations. They assure valve tightness on both seats over a wide range of pressures. We also design and manufacture API 6D, API 608, ANSI B16.34, or BS 5351. Our butterfly valve has the ideal sealing track. Our butterfly valve has the reliable sealing ability, corrosion resistant, temperature resistant and wearing resistance.