Gansu Energy Chemicals: The wholly-owned subsidiary Kiln Coal Company has invested in and implemented the Three Mines Reconstruction Project, with a designed production capacity of 1.80 million tons per year and a total investment of 1.329 billion yuan.

Gansu Nenghua Announcement: On September 24, 2025, the company held the fifth meeting of the eleventh board of directors, and approved the "Proposal on the Renovation Project of Three Mines of the Subsidiary Yaojie Coal Company." The wholly-owned subsidiary Yaojie Coal and Electricity Group Co., Ltd. will invest in and implement the renovation project of the three mines, with a designed production capacity of 1.80 million tons per year, mainly including mining construction, civil construction, mechanical and electrical equipment, and installation engineering. The total construction cost of the project is 1.329 billion yuan, with funding from self-raising and bank loans. The project aims to alleviate the pressure of resource depletion in mines, ensure the normal continuation and stable production of mines, and improve and optimize the underground production system. The construction period is estimated to be 61 months.