On March 26, 2020, five leaders including Deputy Director Ding Shichang of the Taxation Bureau of Yantai Economic and Technological Development Zone of the State Administration of Taxation came to the company for investigation. The company’s deputy general manager Zhao Fengtong and the head of the finance department Yang Cui received the reception. Zhao Fengtong’s deputy general manager introduced the company’s basic situation and production during the epidemic, and exchanged views on the impact of the epidemic on the company.