... Steel, Aluminum, Aluminium Alloy etc 2.Surface treatment: Powder coating,spray paint,galvanizing,nickel-plating,anodic oxidation3.Process: Shearing--bending/laser cutting ... machines, 1 steel forming machineSurface treatmentZinc plating, Anodization, Chemical fim, Powder, Passivation, Sand blasting, Brushing & ploshing etc.DeliverySample can be sent ...