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8 1/2 inch tci tricone bit
Hejian Longyue Drill Bit Manufacturer Co.,Ltd is a manufacturer of Drill Bit with well-equipped testing facilities and strong technical force.With a wide range, good quality, reasonable prices and prompt delivery, our products are extensively used in oil filed, well Drilling, NO Dig filed and other industries.Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
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