... BS,DIN,JIS,NF 4.OEM service Technology:precision casting/investment casting; investment casting; water glass; lost wax;Material:Carbon steel, ... NFCapacity:6,000Tons/Year or 500 Tons/Month Fields of application:Auto parts, machinery parts, mine parts, construction ... OEM; Management: Total Quality Management, ERP, Advantages: Casting no internal shrinkage, external shrinkage defects; rich experience in ...