On October 23, 2019, Cao Xiangyi, member of the party group and vice chairman of the Zibo City Federation of Industry and Commerce, Gao Qian, section chief of the Promotion and Investigation Section, Wang Lejun, secondary chief member of the Promotion and Research Section, Changzheng, Chairman of the Federation of Industry and Commerce of Zibo High-tech Zone,  Gao Naihui, head of the Personnel Department Group and Mission Section, visited and inspected the "Inter-enterprise Training Center" and "Sino-German Intelligent Manufacturing Technology Public Training Base".