paperboard boxes: is the most widely used packaging products, according to different materials, corrugated boxes, single cardboard boxes, etc., there are a variety of models and models. Carton commonly used three, five, seven use less, the layers are divided into paper, corrugated paper, core paper, tissue paper, in the paper with tea board paper, kraft paper, paper with corrugated paper, all kinds of paper Color and feel are not the same, different manufacturers of paper (color, feel) is not the same.