Qinghai Jinrui Mining Development (600714.SH) subsidiary has completed routine shutdown maintenance and resumed production.

Qinghai Jinrui Mining Development (600714.SH) issued a notice, in order to ensure the stable and effective operation of the production system, its wholly-owned subsidiaries Chongqing Qingrong Fine Strontium Chemical Co., Ltd. (referred to as "Qinglong Strontium Salt") and Chongqing Qinglong New Material Technology Co., Ltd. (referred to as "Qinglong New Material") will conduct a comprehensive shutdown and maintenance of the production system and equipment starting from January 5, 2026, with the maintenance period estimated not to exceed 60 days. During the shutdown period, Qinglong Strontium Salt and Qinglong New Material will complete planned maintenance work on production systems and core equipment such as rotary kilns, furnaces, leaching, drying, packaging, reactions, as well as maintenance, repair, upgrading, and installation of core equipment such as brick making, tunnel kilns, and granulators, ensuring the safe and smooth operation of the production facilities. As of the date of the announcement, all routine maintenance tasks for the year have been completed, and production has been fully restored and is stable.