- KDD
- Process Controller.
- Address:443 803 409-13 Maetan 3 dong, Yeongtonggu, Suwon city, Gyeonggido
- Posan Trading Co.
- Plasma transferred arc process for surfacing engine valve, the torch of pta, seam tracker, auto carriage, laser vision sensor, arc height controller.,Welding & Solders.
- Address:7-17, Tongui Dong, Jongro Ku, Seoul, Korea
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