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