... .zinc plated,black,etc 4.flat,pan, etc. cnc machining part 1.Surface Finish: annealing, natural anodization, heat treatment, ... ourself to smile to each customer1)Details: Product name cnc machining part Material1.Stainless Steel: SS201, SS303, SS304, SS316, SS416, ... SS4202.Steel:C45(K1045), C46(K1046),C203.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), ...