91/2" HM952XA най-продажба на едро пясъчник Pdc малко за добив на нефт и газ сондажни
Проучване на нефт, газ пробиване, добро качество, на въглища добив,Send product request
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81/2" HM642XG Made In China quente venda Daimond Pdc bocados de perfuração para a perfuração do poço de petróleo | venda quente /diamond pdc drill bit /pdc drillling pedaços /petroleum perfuração de bits | |
83/4" एचएम 652XA खैर Pdc सा तेल, Pdc तेल सा, Pdc तेल Pdc ड्रिल बिट ड्रिलिंग हीरा | उच्च निष्पादन /PDC ड्रिल बिट्स/तेल अच्छी तरह से pdc बिट/हीरे सा /water अच्छी तरह से हार्ड रॉक | |
knappen bit | Med professionell och produktiva factory är HAINAISEN en av de ledande Kina knapp bit tillverkarna. Välkommen till grossist knapp bit från oss,Webs... | |
Дијамант језгра бургију | Нам ПДЦ петролеум бушење угризао / нафта и гас иде, мало које све користи за бушење нафтно поље. У поређењу са само на челично тијело, тијело матри... | |
121/4 inci 2015 Hotsale TCI Tricone Bit & keluli gigi Tricone Bit & agak Tricone Rock | 2015 Hotsale TCI Tricone Bit &,Website:, keluli gigi Tricone Bit, Tricone Rock Bit, sedikit tricone Bertauliah |
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