About Us

• Hunan Tianying Technology Group Co., Ltd (formerly Zhuzhou East Tools Co., Ltd and Zhuzhou Dongfang Tool Works), is one state-appointed factory of mining tools under the jurisdication of China National Nonferrous Metal Industry Corporation (CNCC). Zhuzhou Tian Di Tungsten Alloy Co.Ltd founded in 1958 and located at Zhuzhou city of Hunan province, one famous heavy industrial base of China, covering the land area of more than 800 acres with the total asset of RMB81 million and over 300 staffs, among which there are 46 engineers and technicians with middle and high professional titles. We occupy advanced full-equipped tri-cone bits and rock drilling tools manufacturing workshops, high frequency welding workshop, heat treatment workshop, mould equipment making workshop and the various departments of measurement, quality control, Technology R&D center. The total main equipments amount to more than 300 sets, including 54 computer micro-control lathes, 28 hydraulic control lathes, a number of high frequency numerical control equipment and numerous high accuracy facilities. The annual production volume for tricone bits and light-duty drilling tools is 5000 pcs and 3200000 pieces respectively. For the other rock drilling tools, the annual production capability is 1400000 pieces. The drilling tools we manufacture currently have a complete range of specifications, mainly including tri-cone bits used in mining, water-well, engineering; mining drill bits and accessories; road trenching bits and road picks for grader; DTH hammer bits with high & low pressure; pick cutter and special-shaped drilling tools. We occupy advanced equipment, thorough inspections means, powerful R&D capability. �The East� rock drilling tools is one famous trademark in Hunan province. Our Company passed ISO9001:2000 quality control system certificate and is the standing director of China Drill Steel &Tools Association.