1.45-127 Thread Connection Button Bits and Reaming Bits, Coupling Sleeves and Shank Adapters;2.3"-8" DTH Drilling Hammers and DTH Bits;3.Drilling Pipes, Spares for Rock Drill,Special Bit and Hydraulic Rock Breakers.
Contact Person : John Zhang Job Title : Manger Telephone : Address : Gao Tang Ling Town Changsha, Huna Website : www.heijingang-drillingtools.com.c