... ,DIN,JIS,NF 4.OEM service Technology:precision casting; investment casting; water glass; lost wax;Material:Carbon steel, ... /Month Fields of application:Auto parts, machinery parts, mine parts, construction and machinery parts, metallurgy tools, shipping parts, etc ... ; OEM; Management: Total Quality Management, ERP, Advantages: Casting no internal shrinkage, external shrinkage defects; rich experience in ...