We accept much kind of surface treatments. The process items are including : E lectroplated ( +3Cr Zinc, +6Cr Zinc, Nickel, Chromium, Copper, Tin, Zinc-Nickel Alloy, Zinc-Iron Alloy) , Powder and Liquid painting, Anodizing (white, black, orange, red, green, purple), Dacromet, Geomet, Scotch grip, Nylon grip, M.A.O.,..etc. We can follow the “RoHS” standard, and to be a green product.