• Customer's Drawing、Sample
  • Material Preparation
  • Normalizing、Thermal Refining
  • Lather Processes、Hobbing、Milling
  • Heat Treatment
    (carburizing、sand blast、sub-zero treatment、 high frequency hardening)
  • Error Correction After HT
  • Straightening、Hobbing、Grinding
  • Final inspection
  • Shipment