... Anodize 3.ISO Keeper door lock component/Dooer Keeper/Door lock component Products Manufacture Lock parts according to ... , Riveting, Bending, Cutting, Welding, Threading, Grinding, Milling, Machining, Drilling, etc Surface treatment: Polishing, chrome/zinc/nickel plating, ... quality system.Main processing are stamping,casting, CNC machining,hand polishing,automatic polishing and plastic injecting. ...