Flange Ball Valve, Trunnion Ball Valve, Butterfly Valve manufacturer / supplier in China, offering Carbon Steel Fully Welded Ball Valve Worm Gear Full Bore Pipeline Ball Valve, High-Quality Fully Welded Ball Valve - Full Bore/Reduced Bore with Handle/Turbine in Ss/CS. Plus Heating Ball Valve and Gas Ball Valve for Optimal Performance., Fully Welded Ball Valve Double-Discharge Fully Welded Ball Valve Ss\CS Gas Ball Valve with Diameter Range From DN150 to DN1600. and so on.