... machining CNC, milling machine, drilling machine, numerical lathe, all types of lathe. 7.Surface finish process polishing, sand blasting, ... mirror polishing. 8.Service OEM service available. 9.Product all kinds of copper casting(unit weight ≥0.1kg) 10 ... Precision machining: CNC, milling machine, drilling machine, numerical lathe, all types of lathe.4. Surface finish process: polishing, sand blasting, ...