CEC received notification from the State Patent Office on June 16, 2015 that Cutting, Drying and Pretreatment Process of Paper Mill Waste Residue developed by Zeng Xiaofei and Li Jian has obtained the invention patent. Process and technology integrated in this patent can prominently increase dryness of paper mill waste residue and further raise its heating value. This technology has already been used in actual projects and achieved expected goal.