Profile: Jiangnan Valve Co. Ltd. is a supplier of butterfly, ball, and gate, stop and check valves. Our valves are used for application in water, oil, gas, refining chemical, petrochemical, power station and paper making industries. We deal with medium pressure adjustable triple eccentric & double eccentric PTFE seated butterfly valves, rubber seated double eccentric butterfly valves, adjustable metal seated butterfly valves and hydraulic operated butterfly valves. We are accredited with ISO 9001 certification. We also focus on pneumatic waste exhausting valves, frequency conversion speed modulated valves and bi-direction seated vacuum butterfly valves.