91/2"HS952XA 品質好 API 規格最低價格石油鋼體 PDC 鑽頭
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Leiter Typ Drag Bit | Mit professionellen und produktive Fabrik ist HAINAISEN einer der führenden China Leiter Typ ziehen Bit Hersteller. Willkommen bei Großhandel Leite... | |
13 3/4" HM652XAG 5 bıçak tek satır matris vücut petrol elmas Pdc Matkap burguları | Petrol drill bit petrol teçhizat drill bit rock bit yüksek kalite elmas bit yönlü sondaj sondaj | |
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81/2" HM642XG vyrobené v Číne horúce predaj Daimond Pdc vŕtacie korunky pre ropný olej studní | horúce predaj /diamond pdc vŕtačka trochu /pdc drillling bitov /petroleum vŕtacie bity Website: | |
121/4"HS962XA 2015API オイルも PDC ビットをドリル & 水井戸、油田、天然ガス用 PDC ドリル ビットをガス井 | 油井ドリル ビット、pdc のドリルビット、ガスもドリル ビット、油田、天然ガスの掘削ビット、穴あけ工具メーカー、中国工場 |
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