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Shijiazhuang jinxiong drilling machinery equipment co., ltd
JINXIONG DRILLING MACHINERY EQUIPMENT CO., LTD
全国咨询热线
18931984404
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Friction welding drill pipe
Crawler drilling machinery
晋熊机械
全国咨询热线
18931984404
Friction welding drill pipe
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Display of friction welded drill pipe finished products
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