On November 30, 2021, the public platform of self-monitoring information of emission units in Jiangsu Province showed that Yixing xxx Co. Ltd. was suspected of exceeding the standard for nitrogen oxides emission from 2021.11.19-2021.11.20 PECC reflected the situation to the local environmental protection bureau via 12369 and Weibo, see below:

January 4, 2022 received feedback from the local Environmental Protection Bureau: for the enterprise exceeded the standard behavior has been investigated and verified, and require enterprises to strengthen management, to ensure that pollution prevention and control measures are operating normally, and all kinds of pollutants meet the emission standards.