Based on domestic market and expand overseas business is our development strategy for Dth Hammer Working, Concentric Driling System, Water Well Drill Bit, Dth Drilling Tube,Friction Welded Drill Rods. Our products enjoy good popularity among our customers. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits. The product will supply to all over the world, such as Europe, America, Australia,UK, Portugal,Irish, Italy.Furthermore, all of our items are manufactured with advanced equipment and strict QC procedures in order to ensure high quality. If you are interested in any of our goods, please don't hesitate to contact us. We will do our best to meet your needs.