Characteristics of the equipment: 1. central control by computers,high-level automation and convenient operation; 2. compact structure with high speed,lower energy and high production; Performances of the equipment: 1. high speed and energy conservation,electricity saving up to 35%; 2. high-level standardization,good exchange performance in conformity with related standards; 3. wide application range and the production of different ring type corrugated pipes; 4. equipment descriptions:six types such as 30,60,100,150,200 and 300 series; Application: ring type deep wave pipes can be widely used for petro-chemical industry,steel,automobile,gas and coal industry,construction,civil gas and water heating equipments etc.