121/2" HM662XAG Oilfield Drill Bit per formazione dura arenaria di perforazione
PDC bit fabbricazione pdc bit di perforazione del diamante pdc trapano bit pdc trapano bit insertiSend product request
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PDC gaurit biţi pentru Standstone | PDC gaurit biţi pentru Standstone Website: | |
Cross borr | Med professionell och produktiva factory är HAINAISEN en av de ledande Kina cross drill bit tillverkare. Välkommen till grossist cross borr från os... | |
81/2" HM952XG เมตริกซ์ตัวเดียวแถวใหม่บ่อน้ำมันหินมาก | H HNS M-เมตริกซ์ 19 9 ตัด 5 5 ใบมีดระดับจังหวัด 2 ลำดับแถวเดี่ยว X G PDC ตัดทำในจีน | |
Carbide bollen tand Diamond blad | Med professionell och produktiva factory är HAINAISEN en av ledande Kina carbide bollen tand diamond blad-tillverkare. Välkommen till grossist carb... | |
91/2" HS952XA de bună calitate API Specificatii cel mai mic pret petrol din oţel corp PDC burghie | corpul din oţel de gaurit,Website:, de bună calitate, preţ mai mic, petroelum masina de gaurit biţi, hard rock de gaurit biţi, piatră de foraj biţi... |
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