Feedtec Material Technology Co； LTD HuNan

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High quality carbon steel
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4140
  • 4140
    4140

     

  • 4340
    4340

     

  • 8620
    8620

     

  • Fe-C-Mn
    Fe-C-Mn

     

FDC4140MA
FDC4140MA
FDC4140MA
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FDC42CrMo4
FDC42CrMo4
FDC42CrMo4
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