四中全会精神在基层丨从按“吨”卖到论“克”卖——石灰石变身记
Xin Hua She·2025-11-13 13:30

Core Insights - The company is transforming limestone, a low-value raw material, into high-performance nano-calcium carbonate through advanced processing techniques, significantly increasing its value from tens of yuan per ton to a marketable product sold by the gram [1][3]. Company Overview - Shanxi Shiqi Era New Materials Technology Co., Ltd. has developed a project for the clean preparation of special nano-calcium carbonate and composite titanium dioxide, resulting in the transformation of coarse limestone into fine nano-particles [1][3]. - The company has obtained five authorized invention patents and mastered two core process technologies, establishing an academic workstation to enhance its research capabilities [1]. Product Development - The produced nano-calcium carbonate is characterized by its extremely small molecular particles, which have diverse applications across various industries, including rubber, paper coating, and coatings [3][6]. - The company is also developing new composite materials, ensuring that technological innovations align with industry development [6]. Research and Innovation - The company invests 15% of its annual revenue into research and development, collaborating with the Chinese Academy of Sciences to tackle challenges in producing rod-shaped nano-calcium carbonate [4]. - The local government is implementing policies to support technological innovation, including subsidies and promotional activities for new materials [6]. Industry Context - The transformation of limestone into new materials reflects Shanxi's commitment to advancing its new materials industry and promoting the transition of traditional industries towards high-end, intelligent, and green development [6][7]. - The province aims to prioritize the development of advanced metal materials and key technologies in various sectors, including special steel and carbon fiber, to strengthen its industrial cluster [7].