February 21, 2024, in Shandong Province, key monitoring enterprises self-monitoring information public platform shows that Yantai ** Wastewater Treatment Co., Ltd. total discharge COD 2/15, 2/16, total nitrogen 2/16-2/18 is suspected of exceeding the emission standards. PECC reflected the situation to the local environmental protection bureau through 12369 and microblogging, see below:

August 5, 2024 received feedback from the local environmental protection bureau: it made an administrative penalty decision and a fine of RMB 190,000 yuan.