[The Price, Cost and Certification Center of the National Development and Reform Commission went to Guoneng Zhuneng Group to conduct research] On November 11, Qin Chenghua, deputy director of the Price, Cost and Certification Center of the National Development and Reform Commission, led a team to Guoneng Zhuneng Group Co., Ltd. in Zhungeer Banner, Ordos City, Inner Mongolia from November 2 to 4 to conduct research. The research team visited the Heidaigou Open-pit Coal Mine production site, raw coal washing plant, equipment and vehicle maintenance workshop, and overseas railway section to gain a comprehensive and in-depth understanding of the processes of each link of coal production, and held an on-site symposium to hear the opinions of National Energy Zhuneng Group, Heidaigou Open-pit Coal Mine, and Harwu Suzhou Open-pit Coal Mine and other units introduced the company's operating conditions, changes in coal prices and costs in recent years, and the effectiveness of cost control measures. In-depth exchanges were conducted around the reasons affecting the company's coal cost changes, problems and challenges faced by development, and next steps for improvement. Relevant comrades from the National Energy Group's Finance Department, Coal Business Department and the Central Fossil Energy Price and Cost Department participated in this survey.