... Delivery and Competitive Price! 1. Main Material: Carbon Steel, Stainless Steel, Alloy Steel, Special Alloy Steel, Heat Resistant Steel, Aluminum Alloy, Zinc Alloy and Brass / Copper ... : Turning , Milling, Drilling, Grinding, Threading, CNC Machining, etc. 3. Finishing: Sand Blasting, Polishing, Plating, Acid Treatment, Anodizing, Painting and PVC Powder ...