... Valves, Gate Valves, Ball Valve, Radiator Valve, Stop Valve, Check Valve, Bibcock, Angle Valves, Brass Fitting, Copper Fitting,Cast Steel Valves, Stainless Steel ... Production Line Capacity Actual Units Produced(Previous Year) Valve, Pipe Fitting 852,500 Pieces / Month 10,230,000 ... Beijing No. 4 Construction Engineering Quality Test Department Co., Ltd. Valve, DN10 2011/09/16 Test Report National Light ...