... 3.Delivery on time, 4. reasonable price Custom high-quality cnc machine metal shop Our features :1.Equipment ... , cold rolled sheet, bearing steel, brass, copper, bronze, chrome copper, mold steel , teflon ,PVC, bakelite, nylon, delrin ... , arcylic and so on.3.Surface treatment:hardening, carburizing, high frequency, anodizing, clear anodizing,black anodizing ,chrome plating, black ...