On November 14, 2019, the self-monitoring platform of enterprises in Shandong Province showed that the nitrogen oxide emission of "XXX Carbon Engineering (Qingdao) Co., Ltd." continuously exceeded the standard, and Lvse Jiangnan informed the local environmental protection bureau through 12369. See the picture below for details:

 On April 14, 2020, we received a reply from Jiaozhou Environmental Protection Bureau: we have filed a case for investigation on the company's illegal acts exceeding the standard, and we plan to impose administrative punishment on it and strengthen supervision.