83/4" HS642XA API และ ISO เหล็กร่างกาย PDC สว่านบิตสำหรับเจาะบ่อน้ำมัน
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PDC 兩個樓梯肋取心鑽頭 | 專業生產廠，HAINAISEN 是肋骨的領先中國 pdc 兩個樓梯取心鑽鑽頭製造商之一。歡迎光臨批發 pdc 兩個樓梯肋取心鑽頭從我們，我們總是有廉價的產品，為您提供。 |
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91/2" HS652XA acciaio corpo Pdc trapano per acqua ben Hard Rock e foratura pietra dura | Hard rock punta da trapano, pietra perforazione bit, pdc trapano, punta diamantata |
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121 yá 4 "HM652XG 'ba̲ mpa aceite bo̲jä nu'u̲ Taladro broca diamante | brocas PDC pa exploración petrolera |
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9 1/2" HM642XA високо качество API PDC бормашина бита за нефтено находище на китайски производител | китайски производител/масло поле/високо качество/pdc бита/pdc боркорони |
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ड्रिल बिट पार | पेशेवर और उत्पादक कारखाने के साथ,Website:, HAINAISEN अग्रणी चीन पार ड्रिल बिट निर्माताओं में से एक है। हम से स्वागत थोक पार ड्रिल बिट के लिए, हम हम... |
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carbide strip | Seller: Zhuzhou Xingzhou Carbide Co., Ltd | 1.High accuracy with long lifespan 2.Hip sintered, good performance 3.Various sizes and full t... |
