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Shaanxi Hainaisen Petroleum Technology Co.,Ltd

Country/Region:china

Contact Person:MrLiu

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Name: 133mm PDC Well Drilling Bit 4 Nozzle Manganese Coal Drill
Brand: HAINAISEN
Price: 1 USD

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133mm PDC Well Drilling PDC Mining Bit Drilling Tools Steel Drill Bit Characteristics: 1. The bit crown surface is medium cast surface, the bit ...

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