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granite quarry core bits in japan

granite quarry core bits in japan

PDC core bitswere designed for field tests based on the result oflaboratory tests and their performance was evaluated ina granite quarry Inthe field the PDC core bit with newcutters succeeded in granite drilling ofmore than 30 m From the field tests it became clear that the new bit can be applied to drilling ofabrassive fractured andhard rock... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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