Oursign PP hollow boards are light, high strength, anticorrosive, waterproof and moisture proof, etc. They can be used to display, screen printing, packaging. S-corrugated board is the one of Oursign's special products. The package box made of this media is with high intensity and long durability. And this media can be reused and easily be cleaned. So it can also be made to the products with the function of electric conduction, and made to the products which can anti static and anti UV. It's widely used in the field of advertisement, package and electronics.