海外开工回升，全球开工低位

Group 1: Report Information - Report title: Overseas start - up rebounds, global start - up at a low level [1] - Report date: October 14, 2025 [1] Group 2: Industry Investment Rating - No relevant information provided Group 3: Core Viewpoints - Domestic styrene start - up rises while overseas and global start - up are at relatively low levels [3] Group 4: Summary by Content Domestic Styrene - As of October 9, 2025, the domestic styrene start - up rate is 73.6%, with a week - on - week increase of 2.37 pct and a year - on - year increase of 3.2 pct [3] - The weekly output is 34.75 tons, an increase of 1.11 tons from the previous period due to the restart of two units in East China and the load increase of a unit in South China [3] Overseas Styrene - As of October 13, 2025, the overseas styrene start - up rate is 76.9%, a week - on - week increase of 2.3 pct and a year - on - year decrease of 3.99 pct, at a relatively low level in the past five years [3] - There is a new Amsty maintenance overseas, and three units of Cosmar, SMI and Idemitsu are restarted [3] Global Styrene - As of October 13, 2025, the global styrene start - up rate is 75.3%, a week - on - week increase of 1.3 pct and a year - on - year decrease of 0.75 pct, at a low level [3]