On August 9, Chen Kaimin, director of the Building Materials Division of the Ministry of Industry and Information Technology, and Dai Dirong, director of the Zhejiang Provincial Committee of Economy and Information Technology, visited Jin Gelan for investigation. Jiang Jianping and Zhou Xiang, members of the Party Committee of the Economic and Information Committee of Quzhou City, participated in the investigation. Wang Yufen, the president of the Institute of Quartz and Special Glass of China National Building Materials Research Institute, and the chairman of Jinglan Company Wang Yufen, and the general manager of Jinglan Company Wang Youjun accompanied the investigation.