MINOVA integratedly supply our worldwide end customers & factories the best quality Valves from our share holding factories.  Including Gate Valve, Globe Valve, Ball Valve,  Plug, Butterfly, Diaphragm and Strainer...Valves; Swing, Piston, Butterfly... Check Valves; and Pressure Relief & Reducing ...Special Valves. Materials covers Cast Iron, Bronze, Carbon Steel, Alloy Steel, and Stainless Steel. Check Valve includes Dual Plate, Single Door, Silent, Swing, Spring-Lift Check Valve, and Wafer type…