Dcdma Bq Nq Hq Pq Impregnated, Surface Set Reaming Shell For All Formation Conditions Product Description Reaming shell is set with natural or synthetic diamond, and the new type also have T.C. type, PCD type ... Read More
BTW Reaming Shells PCD Strengthened Type Description: Diamond reaming shell widely used for mineral exploration, geological exploration, water and electricity, traffic construction, building, soil investigation... Read More
