Core Barrel

Changtan Machinery Co., Ltd is one of the professional manufacturers and leading exporters of Premium-quality drilling rigs and drilling tools in China. Due to the excellent quality, competitive price, superior service, our products have been exported to many countries and won a very good reputation from all of our customers. We are quite sure that our products will meet the requirement of yours. Please find our products line as follows:
1. Drilling Rigs for mineral exploration, soil investigation and water well drilling, etc. The hole depth ranges from 30m to 1600m;
2. Various mud pumps for the drilling project;
3. Diamond core drilling tools in DCDMA standards, CDDA standards and ISO Standards
A: 42, 50, AW, BW, NW, HW, AQ, BQ, NQ, HQ, PQ drill rod
B: AW, BW, NW, HW, PW 46, 56, 66, 76, 86, 101, 116, 131 and 146 casing
C: BQ, NQ, NQ3, HQ, HQ3, PQ, T2-46, T2-56, T2-66, T2-76, T2-86, T2-101, T6-76, T6-86, T6-101, T6-116, T6-131, T6-146, HWF, PWF, HWG, NWG, LTK48, LTK60, NMLC, HMLC core barrel complete
D: NQ, BQ, HQ, PQ, TT, T2, T6, etc Impregnated, surface set diamond core bit, PDC core bit, Tung reaming shell, casing shoe and casing bit etc for mineral exploration and site investigation
E: NQ, BQ, HQ, PQ overshots
F: Fishing tools, sub adaptors, wrenches, water swivel, hoist plug, casing clamp and safety foot clamp, etc
4. Rotary Drilling tools
G: PDC non-coring bit for bolting hole drilling in coal mine and oil gas drilling
H: 2, 3 or 4 wings step type drag bit
5. SPT Split Tube Sampler and Automatic Trip Hammer for the site survey in building foundation

If you need some more information, please feel free to contact us. We are very interested in cooperating with your company to develop and to promote our products in your country.

We look forward to your inquiry.