On June 16th, the city's epidemic situation disposal work party building security tour supervision team visited DMI Information Industrial Park to investigate the resumption of production and production of enterprises.Zhao Xinwen, secretary of the Party Working Committee of Wujiabao Sub-district, accompanied the investigation.

On February 25, Sun Bin, Deputy Mayor of Jinan City, and Liu Yonghao, Party Secretary of Jinan Market Supervision Bureau, and the delegation visited Demai International Information Industrial Park to investigate and guide the production of epidemic prevention materials.

On February 12, Wang Yonghua, member of the Standing Committee of the Jinan Municipal Party Committee and Minister of the United Front Work Department, Wang Yunguo, Vice Minister of the United Front Work Department of the Municipal Party Committee, and Director of the Overseas Chinese Affairs Office visited the Demai International Information Industry Park to inspect the resumption of enterprises and learn more about the needs of anti-epidemic supplies and anti-epidemic measures. Wang Yonghua, deputy director of the Huaiyin Economic Development Zone Management Committee, and Wang Yongli, deputy director of the Finance Bureau of the Management Committee, accompanied him.