On April 14, 2022, Gao Xiupeng, Secretary of the Party Group and Director of the Market Supervision Bureau of Dezhou City, and his delegation visited the company for research. Cui Lei, Deputy Secretary of Linyi County Committee and County Mayor, Zhang Honghua, Deputy County Mayor, and Shen Lianzhong, General Manager of the company, accompanied them.

At the symposium, both parties communicated on enterprise quality and safety management and related development issues.