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由中国制浆造纸工业研究所和中国新时代科技发展公司、北京国利超细粉体有限公司共同研制开发的《超细研磨CaCO_3成套设备及湿法超微细研磨生产工艺技术》于1997年7月通过国防科工委鉴定。项目的完成对发展我国造纸用重质CaCO_3的工业化生产提供了软件和硬件基础。其中,重钙湿法超细研磨和干燥技术获得国家发明专利,
The Ultrafine Grinding CaCO_3 Plant and Wet Superfine Grinding Process Technology jointly developed by the China National Pulp and Paper Industry Research Institute, China New Era Technology Development Corporation and Beijing Guoli Ultrafine Powder Co., Ltd. Monthly appraisal by the National Commission for Science, Technology and Industry for National Defense The completion of the project provided a software and hardware foundation for the development of industrial production of heavy calcium carbonate for papermaking in China. Among them, the heavy calcium wet ultrafine grinding and drying technology obtained national invention patents.