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Shaanxi Hainaisen Petroleum Technology Co.,Ltd

Shaanxi Hainaisen Petroleum Technology Co.,Ltd

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75mm Button Bits Rock Drilling Petroleum Exploration Manganese Well Drill Head

Shaanxi Hainaisen Petroleum Technology Co.,Ltd
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75mm Button Bits Rock Drilling Petroleum Exploration Manganese Well Drill Head

75mm Button Bits Rock Drilling Petroleum Exploration Manganese Well Drill Head

75mm Directional drill bit PDC bits Metal drill bits small rock drill Characteristics: 1. The crown surface of the bit is a flat polishing surface, which is suitable for hard and non abrasive ...

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