On the morning of April 22, Director Liu Yuntao of the Supervision Department of the Coal Mine Safety Supervision Bureau of the Ministry of Emergency Management and his party visited the company for investigation. Zhang Guoshun, Deputy Director of the Office of Coal Mine Safety Supervision Bureau of the Ministry of Emergency Management, Tian Jianwen, Second Inspector of Sichuan Emergency Department, Liu Yide, Deputy Director of Mianyang Safety Supervision Bureau, Pan Wenqi, Section Chief of Dangerous Chemicals, Zhu Xiaohui, Long Feng, Director of Jiangyou Emergency Management Bureau Secretary of the town Li Xingqiao and other leaders accompanied the investigation. Mr. Zhao and senior executives participated in the survey.