What paper does Guangzhou Publishing House use for world famous works?

Environmental protection special pure cotton paper. According to the enquiry of Guangzhou Yiyin. Guangzhou Publishing House's special environmentally-friendly pure cotton paper for world famous works is a high-strength paper made of mulberry bark and papermulberry bark. The paper is white in color, fiber-free, dense in texture, firm and soft, dense and tough, delicate in touch and extremely tough. The paper has good ink retention and ink presentation, and the handwriting is Mo Yun.