... secondary operations such as machining, non-destructive testing, heat treat, surface finish and assembly. Our concept are ... . 7.Surface finish process polishing, sand blasting, t6-heat treatment, painting, powder coating, anodizing, electroplating, mirror polishing ... all kinds of aluminum casting(unit weight ≥0.1kg) 10.AdvantageGood quality and strict delivery time High-quality Precision Machinery ...