Changsha Wontech Engineering Machinery Co.Ltd is located in Jinzhou New district of Ninxing Country, Changsha City,Hunan Province.Wontech is a high-tech private enterprise, owning one stop complete service system of designing,hammers and bits,mainly including high air pressure DTH hammers,high air pressure DTH bits,mainly including high air pressure DTH hammers, high air pressure DTH bits,eccentric reamer drill bits, shanks and adaptor sleeves.Changsha Wontech Engineering Machinery Co. Ltd has an excelent research and development team,dedicatedly focusing on researching,development,designing drilling tools,having accumulated rich experience of tools manufacturing. We are gradually strengthening our brand advantage featured by preeminent talents and solid technology.Changsha Wontech Engineering Machinery Co,Ltd embraces the enterprise spirit of "Solidness, Carefulness,Honesty,Safeness",sticks to the concept of development of "Quality Wins Customer,Creditability Creates Benefit".We will provide DTH drilling solutions to our customers with first class products, outstanding creditability and meritorious service,in order to stand out in market through our perseverant efforts.