The straw ammonium sulfite pulp is completely free from chlorine-based bleaching agents

According to the planning requirements for China's papermaking industry: "By 2020, research and production of pulp and paper from grass-based raw materials in China will have established a comprehensive new theoretical and applied system covering fundamental theories, process technologies, and production equipment, with the goal of achieving world-leading status in grass fiber pulp and papermaking technology." This indicates that for a considerable period ahead, grass pulp will continue to play a significant role in China's papermaking industry.