PCD NQ HQ PQ Polycrystalline Compact Diamond Core Bit , DCDMA Standard Characteristics 1. There are several sizes of PDC cutters with high productivit...
Geological Surface Set Diamond Reaming Shells BQ NQ HQ RQ PQ with Core Bit Application Reamer is set with natural or synthetic diamond,and it is used ...
XY-42A Vertical Spindle Type Core Drill Rig For Geological Exploration / Water Well Drilling Application The XY-42A spindle type core drilling rig can ...