... About the product Qingdao Xin Yang Machinery Co., Ltd.Casting ProcessPrecision casting, Sand casting, Investment casting, Silicasol castingCasting MaterialCast Iron, Grey Iron, Ductile Iron,Carbon ... steel,Aluminum, Copper, Bronze, etc.StandardAISI, ASTM, DIN, JIS, BS (As per customer need)Machining and ProcessingHeat treatment, Polishing, Sand blasting, Painting ...