... .tolerance:+/-0.002mm 3.CNC,turning lathe 4.ISO9001:2008 Most of the precision sheet metal stamping parts with surface ... are not listed above. Process technologyCasting, Machining, Metalworking, Sheet Metal Bending, Surface Treatment, Heat Treatment, Griding, Milling, wire ... , Power coating, E-coating etc Quality controlProfessional precision manufacture for more than 7 years.1.Quality control ...