HUAO Machinery Co., Ltd. (HUAO) is engaged in research and development, production and sales of various types of valves in the new enterprise, the company has always adhere to the scientific and technological innovation for development, and always aim at the world valve technology in new developments in exploration and innovation, competition strong demand. Company set up more than 20 engineers, research center pipe fittings, including 12 senior engineers. Companies with ANSI, DIN and other standards and national standards of foreign design and manufacture and testing valve can also be specially designed according to customer requirements. Main products: wafer type butterfly valve, flanged butterfly valve, double eccentric butterfly valve, including plastic check valve, double disc check valve, soft seal gate valve, Y type filters, plastic pipe fittings and other products 100% torque and appearance of the stress test, the pursuit of zero defect, widely used in plant oil, chemical industry, medicine, gas, food, paper, sewage treatment, air conditioning, plumbing systems.