... , numerical lathe, all types of lathe. 7.Surface finish process polishing, sand blasting, heat treatment, painting, powder coating, ... 10.Advantage Good quality and strict delivery time. 1. Aluminum casting, sand casting, die casting, gravity, high pressure die ... machine, numerical lathe, all types of lathe.4. Surface finish process: polishing, sand blasting, heat treatment, painting, powder coating, ...