May 31, 2023, Shandong Province, the national key monitoring enterprise monitoring information release platform shows that Zouping ** Water Co. COD in 5.20, 5.22-5.28 suspected exceeded the emission standards. PECC reflected the situation to the local environmental protection bureau through 12369 and Weibo, as detailed in the following chart:

June 6, 2023 received feedback from the local environmental protection bureau: for the enterprise exceeded the standard behavior has been investigated and verified, issued a decision to order the correction of illegal acts.