... , 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 ... , NQ2, NQ3, HQ3, PQ3, TNW, NMLC, HMLC, T2 46, T2 56, T2 76, T2 86, T2 101, T6 131, T6 146...)4. Casing shoes bits ... diamonds)7. 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