... steel 4.+/_0.05mm Most of thehigh precision sheet metal partsare used in motorcycle,instruments,meters etc. 1.The ... , aluminum, iron, steel alloy, copper etc) (6)Mature technology in inspection (7)5000 pcs per month production ability (8 ... materials are not listed above.Process technologyCasting, Machining, Metalworking, Sheet Metal Bending, Surface Treatment, Heat Treatment, Griding, Milling, wire EDM ...