December 21, 2023, in Shandong Province, key monitoring enterprises self-monitoring information public platform shows that Dongying ** Environmental Protection Science and Technology Co. Dongying ** Environmental Protection Science and Technology Co. Particulate matter 12/8, 12/14, 12/17 suspected exceeded the emission standards. PECC reflected the situation to the local environmental protection bureau through 12369 and microblogging, see below:

Feedback was received from the local environmental protection bureau on February 2, 2024: it is true that the enterprise exceeded the particulate matter standard, and a case was filed against the enterprise for violating the law.