... ,BS,DIN,JIS,NF 4.OEM service Technology:precision casting/investment casting; water glass; lost wax. ... /Month Fields of application:Auto parts, machinery parts, mine parts, construction and machinery parts, metallurgy tools, shipping parts, etc. Quality control ... machine, wax injection machine,spraying sand machine,etc; Machining equipments: drilling machine,vertical drilling,numerical control lathe, ...