... Co., Ltd specializes in pump, pump parts and other machinery parts manufacturing for 6 years, with two foundries ... product Qingdao Xin Yang Machinery Co., Ltd.Casting ProcessPrecision casting, Sand casting, Investment casting, Silicasol castingCasting MaterialCast Iron, Grey Iron, ... Alloy steel, Special steel, Wear-resistant steel,Aluminum, Copper, Bronze, etc.StandardAISI, ASTM, DIN, JIS, BS (As per ...