What’s a leading corrugator for cardboard manufacturing? Welcome to our customer factory. In the last 10 years, Liyong Group is specialized in cardboard manufacturing and they have purchased 15 sets of corrugated line from us. Liyong supply 2/3/5/7 ply paperboard to a maximum numbers of carton factories all around China. LLYPACK not only supply carton machine, but also provide carton stitcher, corrugated cardboard prefeeder, etc.