We are a branch of guizhou suncon group. Our parent company, guizhou suncon group industry co.,ltd is the leading manufacturer of rock drilling tools. It has a steel mill and a rock drilling tools mill. It has enjoyed an excellent reputation through 18 year’ profession experience on the field of making of rock drilling tools. The products are hexagon drilling steel, taper drilling rod, extension drilling rod, integral drilling rod, button bit, shank adapter…ect .