... lathe. 7.Surface finish process polishing, sand blasting, heat treatment, painting, powder coating, anodizing, electroplating, mirror polishing. ... and strict delivery time.1. Aluminium casting part, sand casting, die casting, gravity casting, high pressure ... lathe.4. Surface finish process: polishing, sand blasting, heat treatment, painting, powder coating, anodizing, electroplating, mirror polishing.5 ...