... zinc plated,black,etc 4.flat,pan, etc. cnc machining part 1.Surface Finish: annealing, natural anodization, heat treatment, ... gold passivation, galvanizing, satin, etc.2.Processing Method: cnc machining, turning, milling, drilling, grinding, broaching, welding and assembly ... to smile to each customer1)Details: Product name cnc machining part Material1.Stainless Steel: SS201, SS303, SS304, SS316, SS416 ...