The subsidiary of Da You Energy (600403.SH), Mengjin Coal Mine, has resumed work and production.

Zhitong Finance and Economics APP News, DaYou Energy (600403.SH) announced that on May 15, 2025, its wholly-owned subsidiary Mengjin Coal Mine Co., Ltd. (referred to as "Mengjin Coal Mine") stopped production due to an accident. On June 23, 2025, the company received the "Approval for Resumption of Production at Mengjin Coal Mine of Henan Energy Group Yimei Coal Company by the Department of Industry and Information Technology of Henan Province" (Yugongxin Coal Safety Letter [2025] No. 206), which approved the resumption of production at Mengjin Coal Mine in principle, and requested to complete relevant work as required. Currently, Mengjin Coal Mine has resumed production.