Shandong HUAO Mechanical CO., Ltd Established in 2009, Shandong HUAO Mechanical CO., Ltd specializes in producing valves including butterfly valve, gate valve, check valve, ball valve, globe valve, strainer, ect. Located in Shandong Province, we enjoy the comfortable environment and convenient transportation access. With the excellent quality and standard internal management system, HUAO has passed th eauthentication of ISO 9001:2000 quality management system. We design and inspect the valve according to many different standards which are GB(national standard), ANSI(American standard), DIN(German standard), ROCT(Russian standard), ect. Also we can design and manufacture non-standard valves. Meanwhile, OEM and ODM orders are welcome. Because of the satisfied design and strict quality control, our products have been exported to many countries and regions, such as India, UK, South America, Africa, ect. HUAO persists in the cumulative drop towards perfect quality improvement. With the perfect product system, the first-class quality, competitive price and quick delivery cycle, HUAO provide excellent services for customers. We’re looking forward to cooperating with our old and new costomers in the future.