On August 6, 2023, Hu Youyi, President of China Sand and Gravel Association, Zhao Jing, Deputy Secretary General of China Sand and Gravel Association, Lin Chen, Secretary General of Fujian Sand and Gravel Association, and Zhang Liantao, Part-time Deputy Secretary General of China Sand and Gravel Association, and other parties came to Fujian Quangong Company Limited (hereinafter referred to as QGM) for investigation and research.