Hunan New Diamond Construction Machinery Co.,Ltd ,established in November of 2011,is a professional and modern high-tech enterprise which engaged in developing and manufacturing drill and pneumatic tool.Our factory locates in the Pingjiang Industry Park,covers more than 100,000 m2.Until now, 10 model workshops,1 office building,2 worker apartment buldings,1 entertainment center,1 R & D Center are existing. More than 500 staffs are in their position and 1,000 sets of processing equipments for forging,machining and hot-treatment,complied with more than 150 sets of R&D,test and inspection machines,are fully put in rock drill and pneumatic tool manufacturing.After years of research and development, the company hasdeveloped a high-quality and experienced team with scientificand strict quality management system. The brand of "New Diamond"renowned at home and abroad by the leading technology and qualitythan 40 countries and regions.in China. The products have received extensive positivefeedback from international market and been exported to Russia, South Korea, Australia, Chile, Canada, South Africa and moreThe company independently designs and manufactures the following products: High air pressure DTH hammer, all kinds of drill bit such as DTH bit, overburden drilling, Eccentric overburden drilling equipment, etc; all kinds of thread bits, shank adapters and coupling sleeves and drill pipes, couplings and other rig accessories.