We are one specialist maker of rock drilling tools (rock drill bit and drill rod). The main products include tricone bit, DTH hammer, DTH bit, button bit, cross bit, chisel bit, taper rod, extension rod, shank adaptor, coupling, pilot adaptor and reaming bit, conical pick, pick cutter, cutting tools, carbide tip and other drilling accessories, which are used for mining, quarrying, tunneling, piling, water drilling, oil drilling, civil engineering and construction.