Gate Valves, Brass Ball Valves, Check Valves manufacturer / supplier in China, offering BS1400 Standard Gunmetal Swivel Ferrule Valve, Adjustable High-Flow Medical Oxygen Regulator Stainless Steel Construction ISO 13485 Compliant, Duckfoot 90° Bend Double Flanged Duckfoot Bend Type N to En 545 for Water Waste Water and Neutral Liquids and so on.