2, It widely used in high level water-proof photographic paper, album resources, environmental wallpaper and shopping bag, water-proof notepad. 3, Special screws to ensure excellent 4, We can provide different kinds of fomulation of pp synthetic paper. Cooperated with European famous laboratory to solve the shortcoming of “pseudo degradation” 1, It adopted double-extrusion structure to produce single/double (AB)/three (ABA) layers PP synthetic paper and environmental stone paper.plasticizing, stable extrusion and safeguards the screw running life.