... plating, yellow passivation, gold passivation, galvanizing, satin, etc.Processing Methodcnc machining, turning, milling, drilling, grinding, broaching, ... 30days according to order qty) 4. Customized size and spec /OEM availablePackagesuitable for sea and air transportation or ... metal stamping, thread cutting tools, sheet metal production processing factory. 5.can assure the mechanical properties and ...