VALSEV Control Valve (Shanghai) Co., Ltd., located in NanHui Industrial Park, PuDong, ShangHai, is a professional supplier, who is committed to providing R & D, producing industrial process control valves, promoting first-class control valve technology, and providing instrument automation engineering services & technical services. We aim to provide high-end control valves and the most cost-effective fluid control solutions for China Petroleum, Chemical, Power, Metallurgy, Natural Gas, Environmental Protection Engineering, Pharmaceutical and other industries.