Product: Changsha Changtan Machinery Co., Ltd is one of the professional manufacturers and leading exporters of Premium-quality drilling rigs and drilling tools in China. All sites are ISO9001 Quality..., Drilling Rigs for mineral exploration, soil investigation and water well drilling, etc. The drilling machines are available for the hole depth from 30m to 1600m
, Various mud pumps,
3Diamond core drilling tools including diamond core bits (NQ, BQ, HQ, PQ, TT,T2,T6,etc), reaming shells/reamer, core barrel, overshot, casing shoe, casing pipes and drill rods in DCDMA standard, CDDA standard, and Boart Longyear Standard;
,Fishing tools, adaptors, PDC core bits, PDC non-coring bits, wrenches, water swivel, hoist plug, SPT sampler, SPT hammer, ,DTH hammers, similar or equal DHD, COP and SD series hammers;
, DTH bits, similar or equal DHD, COP and SD series bits;
, China Reaming Shells/reamer Manufacturers ...