Shanghai star Ou Valve Manufacturing Co., Ltd.   

Shanghai star Ou Valve Manufacturing Co., Ltd. is a collection research and development, manufacturing, sales and service in one of the joint-stock enterprises, star Ou valve main products reference current with the latest manufacturing technology, strict implementation of ANSI, API, DIN, BS, JPI, JIS, GB and other international advanced standards, products include high temperature and high pressure power station valve, gate valve, globe valve, ball valve, check valve, butterfly valve, cryogenic valves, throttle valve 860 series specifications, widely used in electric power, chemical, petroleum, metallurgy, oil refining, pharmaceutical, oil, transportation, and other industries in urban gas pipeline. ...