Diamond core drilling is also exploration drilling method, which is the most conventional one, and has widely utilized in geological survey, mining exploration and bedrock stratum investigation and so on. Although the drilling cost not very economical and penetration rate not so good when compare with RC drilling, it still have very wide application, due to the maximal geological information it can obtain. KAT drilling now offers diamond core drilling tools needed for all underground and surface exploration applications. Products range cover wire-line and conventional diamond core drill bits, reaming shells, drill rods, core barrels and overshots and so on, all of which are designed to maximize customers’ profitability and help the drillers minimize down-time and maximize productivity.