... cnc machining 3.CNC machined parts 4,Timely delivery and Best service Production Description Plastic parts,metal parts,CNC machining, prototype ... Surface treatment: Zinc,Nickel,Chromate,CopperTin plating,Passivate,Anodize,Paint.. Part size: Diameter from 0.5mm to 600mmTolerance : +/-0. ... s drawing or sample.The picture shown is the customized product we make for our customer, for reference only. ...