Shandong Drill T Mining Machinery Co.,Ltd is a modern high-tech enterprise specializing in researching and manufacturing of rock drilling tools and pneumatic tools,It mainly studies and manufactures high-pressure DTH hammer,DTH drilling bit,drill pipes and Top hammer drilling tools,and Anchor drill pipe,anchor drill bit. The products are widely used in earthwork,mining,water well engineering and construction,geothermal drilling,municipal engineering,etc.