As we known, paper cup raw material has two components, which are the base paper produced by paper mills, and PE coating. There are many paper mills in China, such as APP, SUN, HONGTA, YIBIN brands, etc.
First of all, our factory would purchase base jumbo paper roll from above paper mills. The paper would be coated 11-20PE by the lamination machine. One side coating and two side coating are alternative. After that, the PE coated jumbo paper roll could be cut into sheet or printed by flexography.
The paper in sheet was offset printing, which suitable for the requirement of customized printing. And the felexography printing is for cargo in bulk. After printed and dry them well, we start to cut them into fan-shaped paper, that was for the cup body.
The bottom roll was slit from coated jumbo paper roll. Customers would be select jumbo paper roll, square paper in sheet as well as fan-shaped paper. Usually The material of paper cups are 4 tons fan-shaped paper come with one ton bottom paper roll.