ShenZhen DongDa Industry Co, Ltd.
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  • High Frequency # 30 KW(400K) for quenching
  • drill automatic welding
  • medium frequency forging machine for partial forin...
  • small workpiece heating
  • Small quenching
  • copper pipe welding
  • cooper connector welding
  • tool welding
  • copper workpiece welding
98堂永久地址