Diamond Core Drill Bit
Our PDC petroleum drilling bit/ oil&gas drill bit, which all used for drilling oilfield. Compared with the steel body bits, the matrix body is more suitable for hard rock. And the bits lifetime is two times than the steel body.
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china supply,good condition bit,steel body drill,good quality,stone drilling bits ,pdc drill bit,diamond drill bit |
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PDC 鑽頭，礦山機械，硬質合金鑽頭、 油田鑽鑽頭，高品質 pdc 鑽頭矩陣體 |
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PDC bitov manuacturer pdc vŕtacie bity diamant pdc vŕtacie bity pdc vŕtačka trochu vložky
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pdc סיביות manuacturer pdc סיביות קידוח יהלום pdc התרגיל סיביות pdc התרגיל סיביות מוסיף
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چین بہترین ڈرل بٹ میں بنا دیا |
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