... rod, HQ rod, AW rod, BW rod and casing2. Diamond core bits for exploration mining and dam drilling grouting; (They are ... , BQ3, NQ2, NQ3, HQ3, PQ3, TNW, NMLC, HMLC, T2 46, T2 56, T2 76, T2 86, T2 101, T6 131, T6 146...)3. Diamond reaming shells ... . Natural diamonds core bits, synthetic diamonds core bits, PDC bits;8. Drilling rods;9. Core barrels;10. Core lifter and core lifter case; Core Lifter case