On April 20, 2022, the public platform for self-monitoring information of sewage disposal units in Jiangsu Province showed that the pH of Nantong **** Co. Ltd. was suspected of exceeding the discharge standard from 2022.4.16-2022.4.19 PECC reflected the situation to the local environmental protection bureau through 12369 and microblogging, as detailed in the chart below:

June 28, 2022 received feedback from the local environmental protection bureau: for the enterprise exceeding the standard has been investigated and verified, and promised to make the corresponding administrative penalties for exceeding the standard.