全球开工下滑，新增两套装置检修计划

Group 1: Report Industry Investment Rating - No information provided Group 2: Core Viewpoints - Global styrene start - up is at a low level, with domestic and overseas start - up rates showing different trends and new overseas device maintenance plans [3] Group 3: Summary by Relevant Content Domestic Styrene Situation - As of October 23, 2025, the domestic styrene start - up rate was 69.3%, a week - on - week decrease of 2.6 pct and a year - on - year decrease of 1.1 pct. The weekly output was 32.7 tons, a decrease of 1.24 tons from the previous period. One device in the Northeast restarted and one in the South stopped, and the impact of the stopped devices led to a decline in weekly output [3] Overseas Styrene Situation - As of October 27, 2025, the overseas styrene start - up rate was 76.9%, with no week - on - week change and a year - on - year decrease of 10.8 pct, at a low level in the past five years. There are new maintenance plans for two devices: TSMC's 160,000 - ton styrene device in Taiwan and Guochiao's 150,000 - ton styrene device, both possibly to be maintained from November to December [3] Global Styrene Situation - As of October 27, 2025, the global styrene start - up rate was 74.4%, a week - on - week decrease of 0.9 pct and a year - on - year decrease of 5.3 pct, at a low level [3]