Zhengzhou Suiry Machinery Co., Ltd is a manufacturer specialized in the research, development and production of DTH drilling rig, Water well drilling rig, DTH hammer, DTH bits, Drilling Pipe and all accessories about above products, good quality products has exported to Russia, Spain, Canada, Chile, Peru, Uruguay, Mexico, Maldives, Zimbabwe, South Africa, Indonesia, Philippines, etc more than 20 countries and regions. Welcome to contact us and getting more details.