... .ISO 9001 2.Strict QC 3.Standard:ASTM,AISI,BS,DIN,JIS,NF 4.OEM service Technology:precision casting/investment casting; water glass ... compressor,electric induction furnace,grinding machine,peening machine,drilling machine,3D paralleling vibrating casting machine,arc welding machine, wax injection machine,spraying sand machine,etc; Machining equipments: drilling ...