Precision casting/investment casting carbon/alloy 1.ISO 9001 2.Strict QC ... JIS,NF 4.OEM service Technology:precision casting/investment casting; water glass; lost wax.Material:Carbon steel, alloy steel, stainless steelStandards:ASTM, AISI, BS, DIN, ... drawings; OEM; Management: Total Quality Management, ERP, Advantages: Casting no internal shrinkage, external shrinkage defects; rich experience in both ...