On October 11, 2023, it was shown on the monitoring information release platform of key sewage enterprises in Shaanxi Province that **Coal Yulin Energy Chemistry Co. wastewater discharge port total phosphorus 9/27, 9/28 is suspected to exceed the emission standards. PECC reflected the situation to the local environmental protection bureau through 12369 and Weibo, as detailed in the following chart:

On June 17, 2024, feedback was received from the local environmental protection bureau: the company was ordered to immediately correct the violations and was fined RMB 450,000 yuan.