We keep on with our enterprise spirit of "Quality, Efficiency, Innovation and Integrity". We intention to create extra worth for our buyers with our prosperous resources, superior machinery, experienced workers and superb services for 2.5 Inch Concrete Core Drill Bit, Auto-Loading Device, Jet Line Boring Machine, Vertical Cylinder Boring Machine,Top Drive Rotary Head. We never stop improving our technique and quality to keep up with the development trend of this industry and meet your satisfaction well. If you are interested in our products, please contact us freely. The product will supply to all over the world, such as Europe, America, Australia,Belgium, Hongkong,Naples, Puerto Rico.We adopt advanced production equipment and technology, and perfect testing equipment and methods to ensure our product quality. With our high-level talents, scientific management, excellent teams, and attentive service, our products are favored by domestic and foreign customers. With your support, we will build a better tomorrow!