On August 21, 2019, "XX Engineering Group Co., Ltd."in an enterprise self-monitoring platform in Gansu Province, discharged excessive total nitrogen pollutants. Lvse Jiangnan reminded the local environmental protection bureau of the situation through 12369 and microblog. See the picture below for details:

On September 28, 2019, we received a reply from the Environmental Protection Bureau: we have ordered the bid submission and transformation.