Sell gate valves,globe valves,check valves and ball valves, both in cast steel and forged steel, from size 1/2 inch to 24 inch, class 150Lb to 1500Lb. We use kinds of material as WCB, A105, CF8, CF8M, CF3, CF3M etc., to satisfy customer needs. All products conform to standards as API, ANSI, ASTM, BS, ISO, JIS, DIN, etc., and are widely used for water, steam, gas, oil, petroleum, pharmaceutical and chemical.