On August 30, 2021, Shandong Province key monitoring enterprises self-monitoring information public platform shows that Shandong xxx Coking Co., Ltd. particulate matter on August 9, 2021 and August 10, 2021 is suspected of exceeding the emission standards. PECC reflected the situation to the local environmental protection bureau via 12369 and Weibo, as detailed in the chart below:

November 5, 2021 received Jinan City Ecological Environment Bureau Laiwu Branch Laiwu Brigade specific reply: in response to the exceeding of the standard behavior of the enterprise, has been filed for investigation and ordered to correct the illegal behavior.