We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.We have experience in this field of DTH hammers and bits for 20 years experience.Owing to high quality, professioanl serivce and competitive price, we have good reputation for our customer all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Thailand, etc