On July 18, 2015, our company obtained two utility model patent authorization certificates. These two patents are "Deep hole machine tool workpiece center frame" and "Deep hole inner diameter measuring device". These two patents are deep hole machine tools. Innovative technologies in the field have played an important role in improving our company's core competitiveness and leading the cutting-edge technology of the deep hole industry. In recent years, our company has intensified product research and development, which has stimulated the enthusiasm of scientific research and designers for innovation. New technologies have been continuously applied and new products have been emerging. In 2015, we have obtained three patent authorizations in the field of deep hole machine tools, laying the foundation for our company to be in the forefront of the deep hole machine tool industry.