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Friction Welding Well Drilling Pipe , Alloy Steel Top Hammer Drilling Tools

Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
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Friction Welding Well Drilling Pipe , Alloy Steel Top Hammer Drilling Tools

Friction Welding Well Drilling Pipe , Alloy Steel Top Hammer Drilling Tools

Friction welded DTH drill pipe rods, DTH drill tube with good prices 1. Specifications: 1) Certificate: API 5DP, API Q1, ISO 9001, ISO 29001 2) OD: 2 3/8" to 6 5/8" or 60.32mm to 168.28mm 3) Grade...

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dth drill rods

      

water well drill rods

      
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