... sand, sodium silicate sand etc3mahinelathe, CNC, drilling machine, milling machine, boring machine, planting machine, machining center4processsand casting, investment casting, lost ... forging, stamping, machining etc5min tolerance0.05mm6capacity0.5~5000kg7surface treatmentpowder coating, painting, spraying, galvanization8standardJIS, ANSI, DIN, BS, GB high quality cnc steel turned parts