... ,auto,mine,train,shipping c.Casting parts Detailed Product DescriptionPrecision casting/investment casting carbon/alloy 1.ISO 9001 ... ,JIS,NF 4.OEM service Technology:precision casting/investment casting; investment casting; water glass; lost wax;Material:Carbon ... OEM; Management: Total Quality Management, ERP, Advantages: Casting no internal shrinkage, external shrinkage defects; rich experience in ...