... , oval,slot)Deep machiningprecise cutting, drilling, tapping,CNC milling,CNC lathe and so on.Surface treatment polishing,brushing,anodized, electroplate,powder ... be 0.05mm.2).All processes covering extruding,milling,machining and surface treatment are in the same factory to ensure ... in customizing according to CAD drawing,3D design and sample provided by customers and controlling strictly in quality.