Core Viewpoint - The company announced that its subsidiary, Shaanxi Yanchang Petroleum Yushen Energy Chemical Co., Ltd., has completed its annual maintenance plan and will fully resume production on July 10, 2025 [1] Group 1 - The Yushen Energy Chemical facility underwent a scheduled shutdown for maintenance starting June 5, 2025, with an expected duration of 35 days [1] - During the maintenance period, the facility replaced the catalyst in the ethanol carbonylation unit and made rectifications to other units to enhance the performance and operational quality of production equipment [1]