Superdrill specialize in research and development of drilling tools and drilling equipments, we are manufacturing and marketing with senior technical staffs for many years. Our company has a group of experienced designers and engineers, who are servicing in drilling fields to provide expert solutions. With advanced CNC lathes and machining center, heat-treatment facility, CNC sintering furnace brazing box integration of advanced welding equipment,we can manufacture 3 1/2" ~ 26" comprehensive drilling rock bits and related tools. Requirements of customer is our working standards, our motto is "Provide best service& Supply best drilling bits" .