Procedure

HomeProcedure
  • SCREWS

  • STEEL MATERIAL PURCHASING

  • HOMOGENIZING

  • ROUGH TURNING

  • ROUGH THREAD ROLLING

  • FINE THREAD ROLLING

  • BI-METALLIC PROCESS IF NECESSARY
    OVER WELDING OF NICKEL BASED ALLOY ON THE THREAD SURFACE

  • CORRECTION

  • STRESS RELIEF

  • GRINDING

  • 100 HOURS OF NITRIDING

  • HARD CHROME PLATING IF NECESSARY

  • HONING & POLISH
  • BARREL

  • STEEL MATERIAL PURCHASING

  • HOMOGENIZING

  • ROUGH TURNING

  • CORRECTION

  • STRESS RELIEF

  • DRILLING

  • BI-METALLIC PROCESS IF NECESSARY
    OVER WELDING OF NICKEL BASED ALLOY ON THE SURFACE OF INTERIOR HOLE

  • GRINDING

  • 100 HOURS OF NITRIDING

  • HARD CHROME PLATING IF NECESSARY

  • HONING & POLISH

Contact us

      Lung Chang Machinery Enterprise Co., Ltd.
      TEL: 886-6-253-3456 FAX: 866-6-253-5406
      E-mail: lung.chan@msa.hinet.net
      No.3,Lane 9,Zhougong St.,Yongkang Dist., Tainan City 71044,Taiwan