... good serviceOEM orders are welcomePrecision machining, finish treatment & assebmling Item Namecnc hardware, metal ,machine processing part Product ... Zinc,Nickel,Chromate,CopperTin plating,Passivate,Anodize,Paint.. Part size: Diameter from 0.5mm to 600mmTolerance : ... range5. Strict quality Control SystemManufacture Process1) Die Casting2) Machining: CNC turning, milling, drilling, grinding, cutting, ...