... H, XH, XXH, T2.5, T5, T10, T20, 3M, 5M, 8M. Surface treatment: High frequency, black of oxidation, zincing, nickelage, anode. Machine: CNC ... engine lathe, milling machine, drilling machine, gear shaper, hobbing machine, grinder, testing center. Inspection ... or as requiredProfessional manufacturer and exporter of CNC machine parts in high precison according to ...