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Hejian Sanlong Petroleum Machinery Co., Ltd.
Quality Biomimetic Petroleum Drill Bits, Tricone Drilling Bit supplier from China.
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00:06
High temperature all metal toothed tricone bit for oil-based formations
Sep 20, 2023
00:03
3 7/8 size API Tricone Drilling Bit Used for gas exploration drilling in mines
Sep 20, 2023