Диамант ядро свредло

Нашите PDC петролни сондажи бит / масло & бормашина, бит, които всички използвани за пробиване на нефтени находища на газ. В сравнение с битовете, стоманени тялото, матрицата тялото е по-подходяща за хард рок. И живота на бита е два пъти от стоманени тялото.

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	'Rede klase Drag Bit	Fábrica xi hño ar tsa̲ ne productiva, HAINAISEN ge 'na ya ndu'mi fabricantes China 'rede klase drag bit. Hogu̲ntso̲ho̲ broca arrastre klase 'rede '...
	PDC plukker	Profesjonell og produktiv fabrikken er HAINAISEN en av de ledende Kina pdc plukker produsentene. Velkommen til engros pdc plukker fra oss,Website:,...
	83/4" HM652XG ڈرل بٹ کے ساتھ اعلی معیار واحد ڈائمنڈ ڈرل بٹ	چین کے ڈویلپر ہیرے پدک ڈرل بٹ
	81/2" HM952XG Matrix lichaam één rij nieuwe oliebron Rock Bit	H-HNS M-MATRIX 9-CUTTER 19 5-5 BLADE 2-stadsprefectuur hiërarchische X-SINGLE rij G-PDC CUTTER gemaakt IN CHINA Website:
	83/4» HM662XAG добыча угля и строительству плотин для бурения нефтяных скважин, Pdc сверло	Горячие sell.drill бит inserts.professional pdc дрель bit.sandstone бурение .hard formstion нефтяных и газовых скважин

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