We are one specialist maker of rock drilling tools with 53 year manufacturing experiencce. 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, pick cutter, cutting tools, carbide tip and other drilling accessories, which are used for mining, quarrying, tunneling, piling, water drilling, geological prospecting, mineral exploration, civil engineering and construction.