Casing Shoe Bit
Dec 23, 2009
1. Diamond core bits for exploration mining and dam drilling grouting; (They are the AQ, BQ, NQ, HQ, PQ, BQ3, NQ2, NQ3, HQ3, PQ3, TNW, NMLC, HMLC, T2 46, T2 56, T2 76, T2 86, T2 101, T6 131, T6 146
2. Diamond reaming shells for exploration mining.....