Jiaxing unique Precision Machinery Co. Ltd., Taiwan-funded enterprises, specializing in the production of carbon steel, alloy steel, stainless steel and other products. Our company have been engaged in these line for serverial years,very rich in terms of technology and management experience in the production.Valve Casting,Sand Casting,Alloy Casting,Steel Casting Our we can meet all kind of demand and challenge of their clients. Our company casting craft uses the sand casting and lost wax casting, produces each kind of casting. Valve Casting material quality ASTM A216 - WCB.WCC. A352 - LCB.LCC. A217 - C5.WC6.WC9. A351 - CF8.CF8M. A487 - 4A.4C. Pressure grade 150 # - 5000 #