... surface Product No./NameJJ-00202 / CNC turning part for electrode bar Machining Capability1) Material: Aluminum, Aluminum alloy, stainless ... Steel, Brass,Plastic and Bakelite2) Surface Treatment: Zinc/nickel/chrome plating,hot galvanized, painting, powder coating, anodize ... 5) Surface Treatment: High quality polish, powder coating, Chrome/Nickel/Zinc(white, blue, yellow, black)plating, hot galvanized, ...