On September 11, 2019, Hebei XX Group Co., Ltd., an enterprise self-monitoring platform in Hebei Province, discharged ammonia nitrogen pollutants exceeding the standard. Lvse Jiangnan reminded the local environmental protection bureau of the situation through 12369 and microblog. See the picture below for details:

On October 25, 2019, the reply from the Environmental Protection Bureau was received: the enterprise was required to immediately correct the illegal behavior and file a case for investigation on the suspected problem of exceeding the standard.