... , 316, 316L 2.Process: CNC machining 3.Tolerance: 0.02 Indutrial Engineering Machinery Parts Details: Material 301, 302, 303, 304, 304L ... workers and 40 seniors, equipped with CNC milling and turning machines, CNC Lathes, etc.3.Quality Certificates: ISO9001-2000, ISO9001-2008 ...