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Co Ltd, Hejian City The New Field Of Petroleum Machinery Equipment

三牙轮钻头,PDC钻头,牙轮掌片,岩石扩孔器,单牙轮钻头,钻采配件,

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  • Tel.:：031738550091
  • Mphone：18903273015
  • Fax：86-0317-3855009-1
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