Mining Tubes with Alloy steel grade Geological Drill tubes for Oil Mineral and mining
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QT heat treatment treatment Drill Pipes for Oil and Mineral Mining2023-08-16 17:50:33 |
Oil and Mineral Mining Drill Pipes2022-08-26 11:08:07 |
88.9mm Seamless Drill Steel Pipe API Spec 5D BQ HQ NQ PQ G105 Material2023-08-16 17:49:42 |
DZ60 DZ50 1541G105 S135 Thread Types Coupling Drill pipe2022-10-17 14:11:12 |
Drilling Seamless Pipes for Oil and Mineral Mining2022-03-21 14:27:37 |