The construction technique of Lipp silo is the most advanced technology in the world. Its construction method is unique. While constructing, send the ciol sheet of 495 mm in width into the profiling station, making an required encircling spiral protruding strip of 30-40mm width around the silo body, thus, it plays the role of increasing the strength of the silo body.Then for two different kinds of steel sheets, the Lipp equipment can also implement the double folding .