On September 17, 2026, Professor Yin Suhong of the School of Materials Science and Engineering of South China University of Technology, together with Guangzhou Metro and Guangdong Huatong Construction Group Co., Ltd., successfully poured the concrete prepared with LC3 cement based on shield slag and tailings in Guangzhou Metro Project, realizing the first engineering application of green low-carbon cementitious materials prepared from shield slag and tailings in China. This is another scientific research achievement of Professor Yin Suhong's team after the first application of C130 ultra-high performance pumping machine-made sand concrete in physical engineering in 2021.