... ball blasting Good quality and reasonable price ISO9001 Process: Die casting, Deburring, Drilling holes, Tapping, CNC Machining and Assembly.Surface ... treatment: Sandblasting, Tumbling, Powder coating, Wet painting, Chromating(chemical film) and Polishing.Products range: Mechanical parts, Lighting components, Automobile ... maintenance are also supported internally. Aluminium alloy die Casting Part