Tianjin Grand Construction Machinery Technology Co., Ltd.
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13-3/4" IADC 127 TCI Tricone Bit for ...
17 1/2" IADC 115/215 TCI Tricone Bit ...
9 5/8" IADC 527/537 TCI Tricone Bit f...
5 1/4" IADC 637/537 Small-Size Drill ...
8 1/2" IADC 637 TCI Tricone Roller Bi...
6 1/2" IADC 517 Tricone Bit for Rock ...
9 1/2" IADC 437 Tricone Rock Drill Bi...
22'' IADC 617 TCI Tricone Drill Bit f...
11 3/4'' IADC 537 Tricone Bit High-Pe...
6 1/4" IADC 617 High-Performance TCI...
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01
Mud Motor 172mm
2026-02-28
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02
13-3/4" IADC 127 TCI Tricone Bit...
2025-02-06
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03
17 1/2" IADC 115/215 TCI Tricone...
2025-01-08
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04
9 5/8" IADC 527/537 TCI Tricone ...
2024-02-01
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05
5 1/4" IADC 637/537 Small-Size D...
2024-12-04
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06
8 1/2" IADC 637 TCI Tricone Roll...
2024-02-01
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07
6 1/2" IADC 517 Tricone Bit for ...
2024-01-29
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08
9 1/2" IADC 437 Tricone Rock Dri...
2024-02-01
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09
22'' IADC 617 TCI Tricone Drill ...
2024-02-01
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10
11 3/4'' IADC 537 Tricone Bit Hi...
2024-02-01
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11
6 1/4" IADC 617 High-Performance...
2024-02-01
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12
12 1/4" IADC 217 Milled Teeth T...
2024-02-01
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