新 高品质！API油田钻杆旋转工具 在 山东省, 中国
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描述
1.Rotary tool of drill pipe 2.API standard thread 3.Good quality 4.Competive price 5.Perfect after-sale service
Product Explanation:The drill pipe rotated always by rotary driving Kelly. If the kelly are not in the rotary ,the aril pipe is rotated by rotated tool of drill pipe.