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15 1/2 "bit pengeboran dengan formasi keras
Grosir pengeboran ladang minyak tricone rock drill bits
pabrik bor batu tricone berkualitas baik
8.5 inch 5 pisau Matriks tubuh PDC bit pengeboran
12 1/4 "API bit pengeboran gigi baja gigi
14 3/4 "bor tanah liat API Penggilingan baja-gigi bit
8.5 API TCI tricone bits untuk hard well
Pembentukan lembut 445mm HA127 Steel Tooth Tricone Bit
8 1/2 "5 bilah Baja tubuh PDC bit
tungsten carbide menyisipkan gigi 8,5 "pemotong bit Tricone
Penggantian bor bit tricone trilame
Lapangan Minyak Logam Disegel12 1/4 '' Tricone Drill Bit
200mm Sumur Tambang Bor Batu Tricone
12.5inch 6 pisau Matriks tubuh PDC bit
lubang pembuka 168mm reaming dengan IADC637plam
12 1/4 bit air gigi giling sedikit
PDC Bor air sumur mesin bor batu
12 1/4 inch 311mm TCI gigi menggunakan tricone bit
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.