On the morning of February 16, Zhang Xinqiang, deputy director of the Standing Committee of the Weifang Municipal People's Congress and chairman of the Municipal Federation of Trade Unions, Song Lijun, member of the Standing Committee of the Weifang Municipal People's Congress and deputy director of the Overseas Chinese Foreign Affairs Committee, Sun Baochun, deputy director of the Office of the Standing Committee of the Weifang Municipal People's Congress, and the Education Department of the Weifang Municipal People's Congress Li Xinxin, a staff member of the Office of the Cultural and Health Commission, and other leaders visited Shandong Useen Group for research and guidance, and carried out contact service enterprise activities. Cai Zhiqing, Deputy Director of the Standing Committee of the Qingzhou Municipal People's Congress, Secretary of the Party Committee of Yidu Central Hospital, Deputy Secretary and Vice Chairman of the Party Group of the Qingzhou Municipal People's Political Consultative Conference, and Chairman of the Municipal Federation of Trade Unions Yang Aidong, Member of the Party Group of the Standing Committee of the Qingzhou Municipal People's Congress and Director of the Office Sun Peiwei, Education, Science, Culture and Health of the Qingzhou Municipal People's Congress Gao Changling, Director of the Committee, Min Dong, Deputy Secretary of the Party Committee and Mayor of Shaozhuang Town, Duan Wenbin, Director of Qianshan Modern Manufacturing Development Service Center, Yao Zhongxiu, Chairman of Useen Group, Xu Wende, Consultant and other leaders accompanied the investigation.