On May 22, the clean production review and acceptance expert group organized by the Liaocheng Environmental Protection Bureau carried out on-site acceptance of the clean production audit of the group heating company. The Group of Experts agreed to pass the acceptance by listening to reports, accessing archives, and viewing the site. The company has fully affirmed the company's ultra-low emission reform of flue gas, energy management and control platform, and the coal mine ash yard closed renovation construction in recent years.