2025–2026 Maintenance Schedule (Unit: Days)
| Enterprise Name | Maintenance Period | Duration (Days) | Remarks |
|---|---|---|---|
| Sino-Korea Petrochemical | Oct. 10, 2024 – Jan. 8, 2025 | 90 days | |
| BASF-YPC | Apr. 8, 2025 – Jun. 3, 2025 | 56 days | Startup on Jun. 1; product output on Jun. 4 |
| Tianjin Bohai Chemical | Apr. 21, 2025 – Jun. 6, 2025 | 46 days | Restart on Jun. 6 |
| Hengli Petrochemical | May 13, 2025 – Jun. 10, 2025 | 28 days | Restart on Jun. 10 |
| Beijing Yanshan Petrochemical | May 25, 2025 – TBD | Long-term shutdown planned | |
| Fujian Union Petrochemical | Jun. 5, 2025 – Jun. 20, 2025 | 16 days | |
| Zhejiang Petrochemical | Jun. 23, 2025 – Aug. 10, 2025 | 48 days | Restart on Aug. 10 |
| Wanhua Chemical Phase II | May 13, 2025 – Jun. 25, 2025 | 41 days | |
| Dongming Petrochemical | Jul. 28, 2025 – Sep. 18, 2025 | 52 days | Startup on Sep. 18 |
| Fushun Petrochemical | Aug. 15, 2025 – Oct. 28, 2025 | 74 days | Startup on Oct. 28 |
| Zhenhai Refining & Chemical | Sep. 27, 2025 – Nov. 20, 2025 | 54 days | Startup on Nov. 20 |
| Guangzhou Petrochemical | Oct. 13, 2025 – Dec. 8, 2025 | 56 days | Restart on Dec. 8 |
| Zhongyuan Petrochemical | Oct. 25, 2025 – TBD | TBD | |
| Maoming Petrochemical | Nov. 26, 2025 – Jan. 10, 2026 | 45 days | One unit under maintenance |
| Shanghai Petrochemical | Nov. 25, 2025 – Jan. 25, 2026 | 62 days | Restart on Jan. 25 |
| Sinochem Quanzhou | Nov. 25, 2025 – Jan. 26, 2026 | 64 days | Restart on Jan. 26 |
| Dongming Petrochemical | Dec. 13, 2025 – Dec. 24, 2025 | 11 days | Restart on Dec. 24 |
| United Petrochemical | Jan. 8, 2026 – Jan. 19, 2026 | 11 days | Restart on Jan. 19 |
| Gulei Petrochemical | Mar. 9, 2026 – Jul. 19, 2026 | 132 days | Restart on Jul. 19 |
| CNOOC Shell | Mar. 6, 2026 – Apr. 30, 2026 | 55 days | Restart on Apr. 30 |
| Yangzi Petrochemical | May 5, 2026 – Oct. 1, 2026 | 148 days | Product shipment on Oct. 1 |
| Sino-Korea Petrochemical | Jun. 4, 2026 – Jul. 15, 2026 | 39 days | Restart on Jul. 15 |
| Hainan Refining & Chemical | Jun. 6, 2026 – Oct. 20, 2026 | 136 days | Restart on Oct. 20 |
| Shenghong Refining & Chemical | Jul. 1, 2026 – Aug. 17, 2026 | 48 days | Restart on Aug. 17 |
| CNOOC Shell | Aug. 31, 2026 – TBD | ||
| Wanhua Chemical | Oct. 10, 2026 – Dec. 10, 2026 | Est. 61 days | Expected restart in mid-Dec. |
| Guangdong Jieyang Petrochemical | Dec. 5, 2026 – Feb. 1, 2027 | Est. 57 days |
Source: Chempricehub News
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