Without mechanical pulp, Yulong pure paper is completely composed of chemical wood pulp and high-quality stuffing. Yulong light paper is composed of imported chemical wood pulp, chemical and mechanical pulp and high-quality stuffing. After being neutrally glued, they are generated on computer-controlled papermaking machine, not containing fluorescent brightener. The imported tan-resistant dye for special use is adopted so as to grant the paper with dim luster of cream-color and light beige, the colors are firm and will never fade.

In order to increase surface intensity of the paper, we have carried out special treatment to glue the surface, and the symmetric surface structure of paper is obtained by being softly pressed.