... lathe 3CE, ss304,ss316 railway precise precision casting machine parts with sand blasting Specifications: 1 OEM ... annealing, normalizing, tempering, nitriding, carbonitriding, carburizing, and induction hardening Surface treatment: plating, coating, phosphate, anodizing, and CVD/ ... to customer's specifications including CNC machine parts ,high precision machine part&precision casting parts be offered ...