This model is our patent product(patent application No.200320116332-3).It is designed by the way of making one frame upside and another downside.The upper frame adopts galvanometer engraving and punching with high-speed and large-scale,while the downside one uses ambulant-frame to process material with high power. The two frames share the same controlling system in one computer. Therefore,the processing mode is so flexible that it is suitable for processing various material