Each kind of corrugated paper box: • May use craft paperboard, bleached craft paperboard, the grey bottom white pages and ordinary fine dried noodles paper to take its liner and facade material.The computer steel knife takes its shape at one time, may choose AB, double B, BE, double E corrugated paper or A, B, E single corrugated and so on according to goods inside ,which adapt to the sale and transportation packing for each kind of product.