... from the group, Ningbo Jintian Copper (Group) Co.,Ltd, Top 500 enterprises and the largest copper processing manufacturer ... and air. Specialized in development and production of Copper Valves, Gas Valves, Gate Valves, Ball Valve, Radiator Valve, Stop Valve, Check ... Copper Fitting,Cast Steel Valves, Stainless Steel Valves, Sanitary Wares, Hose, Water meters and Various Pipe Fittings etc., the company is ...