Our factory is located in Changsha, Hunan Province. It occupies more than 25000m2 including workshop area more than 20000m2. We have about 500 sets of advanced equipments for drilling, milling, heat treatment and other processing of DTH tools. 

Our R&D team focus on the drill and pneumatic tool. In 2013, we started the production of DTH hammer and bits from 3''  to  12'' which include the various series such as DHD, SD, QL and MISSION. In 2015, Our factory expanded the production scale and all the products have passed ISO9001 quality management system certification. Adopting advanced production technology and strict testing procedure, our factory self-designed and manufactured the big size high air pressure DTH hammer/bit and cluster hammer.