... :+/-0.002mm 3.CNC,turning lathe 4.ISO9001:2008 Most of the precision sheet metal stamping parts with surface treatment ... technicians (3)ISO 9001:2008 certificate (4)Advanced equipment(CNC lathe, turning lathe, wire EDM, griding machine etc) ... are not listed above. Process technologyCasting, Machining, Metalworking, Sheet Metal Bending, Surface Treatment, Heat Treatment, Griding, Milling, wire EDM ...