Wuxi Yaheng Geological Equipment Technical Co., Ltd.
Wuxi Yaheng Geological Equipment Technical Co.,Ltd Show The Technology By Quality!
Long life Concrete Core Drill Bit With Wide Hardness Range
High Penetration Rate Diamond Core Drill Bit For Stone , BQ NQ HQ PQ Size
Fast cutting and drilling speed Diamond Core Bit For Geological Prospecting
Reaming Shells High Rotation Speed Diamond Core Drill Set For Hard Rock
Single Tube Core Barrel Diamond Core Bits For Geological Prospecting BQ NQ HQ PQ
Diamond Drill Bits Surface Set NQ Wireline Core Drilling Bits For Mining
High Speed 12mm Diamond Drill Bit / Concrete Drill Bit For Mineral Exploration
9mm 12mm 16mm PQ BQ Diamond Core Bits For Soft Rock Formations
High drill speed B76 Diamond Core Bit , OD 75.87~76.12mm