On March 23, 2023, Shandong Province national key monitoring enterprise monitoring information release platform shows that Tancheng ** Poultry Co. Total phosphorus in 3.13, 3.14, 3.16 suspected exceeded the emission standards. Green Jiangnan reflected the situation to the local environmental protection bureau through 12369 and Weibo, as detailed in the following chart:

June 2, 2023 received feedback from the local environmental protection bureau: for the enterprise exceeding the standard has been investigated and verified, and ordered the company to immediately correct the illegal behavior, and imposed a fine of 230,000 yuan.