Please see our current product list as below: 1. Impregnated diamond core bits 2. Surface set Diamond Bits(coring bits and non-coring bits) 3. Casing(Rod) shoes/Casing bits 4. Reaming shells 5. PCD bits (coring or non-coring) 6. Core lifters, core lifter cases 7. Diamond circle wrench 8. Core barrel and accessories, BQ, NQ, HQ and PQ(Inner & Outer Tube, Head assembly, Locking Coupling, Adaptor Coupling, Inner Tube Stabilizer Ring, Landing Ring, Landing Shoulder etc) 9. NQ&HQ overshot. 10. BQ, NQ, HQ, PQ, NT, HT, PT drill rods and BW, NW, HW, PW casing. * Above bits and reaming shells conform to Metric, DCDMA, CDDA standards. * We can manufacture all kinds of bits and shells according to customer's special requirement.
