I-Tianjin Grand Construction Machinery Technology Co., Ltd.
+86 15922240428
grand@grandbit.cn
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15922240428
grand@grandbit.cn
Ikhaya
Imikhiqizo
Platform Izinsiza
Imikhiqizo Yokuhlola Okuphezulu
Imikhiqizo Izigaba
Izingcezu Zokubhoboza
Amabhithi e-Tricone
Isando se-DTH
Ama-PDCBits
I-Reamer
Izingcezu ze-HDD
I-Roller Bit Core Barrel
Platform Izinsiza
Imikhiqizo ye-Wellhead
Izisetshenziswa zokulawula kahle
Imikhiqizo Yokuhlola Okuphezulu
Imikhiqizo efakiwe
13-3/4" IADC 127 TCI Tricone Bit ye ...
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 I-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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