81/2" HM352XA vysoce kvalitní centrum Bit výrobce standardy PDC vrták pro vrtání
výrobce-zaměřeného vrtání, hot prodej, pdc vrták, diamantové vrtáky, oleje ropné pole
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83/4" HM962XA 5 Blade Matrix Body High Quality And Competitive Price Rock Diamond For Gas Drilling |
PDC bit,PDC drill bit ,matrix body,sandstone formation,oil and gas drilling ,diamond drilling,pdc bits |
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83/4" HM952XG Hiina parim Ock Drill bitti, Veekaevude puurimine |
HIINA PARIM DRILL BIT TEHTUD |
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DTH plaktukas & DTH plaktukas bitų |
Su profesinės ir gamybos gamykla,Website:, HAINAISEN yra viena iš pirmaujančių Kinijos Otis plaktukas & Otis plaktuku šiek tiek gamintojų. Sveiki a... |
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121/2" HM662XAG mỏ dầu khoan chút cho cứng hình thành đá sa thạch khoan |
PDC bit manuacturer pdc khoan bit kim cương pdc khoan bit pdc khoan chút chèn |
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Hainaisen popüler boyutları 8 1/2 inç Tricone Bit / su de MKE Tricone bit/yüksek kalite Tricone Drill Bit |
su de matkap bit, tricone bit, sıcak satış bit / tungsten karbür eklemek bit/silindir konik matkap, Çin, fabrika |
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