On May 25, 2023, Sichuan Province, the national key monitoring enterprise monitoring information release platform shows that the pH value of ** Public Utility Services Limited (Shuanghe Town ** Park Sewage Plant) pH value in 5.20-5.21 suspected to exceed the emission standards. PECC reflected the situation to the local environmental protection bureau through 12369 and microblogging, see below:

June 28, 2023 received feedback from the local environmental protection bureau: for the enterprise exceeding the standard has been investigated and verified, issued a “site monitoring opinion letter”, requiring the sewage treatment plant to take immediate measures to rectify.