2025–2026 Maintenance Schedule (Unit: Days)
| Enterprise Name | Maintenance Period | Duration (Days) | Remarks |
|---|---|---|---|
| Sino-Korea Petrochemical | Oct 10, 2024 – Jan 8, 2025 | 90 | |
| BASF Yangzi | Apr 8, 2025 – Jun 3, 2025 | 56 | Restarted on Jun 1; products shipped on Jun 4 |
| Sino-Saudi Tianjin | Apr 21, 2025 – Jun 6, 2025 | 46 | Restarted on Jun 6 |
| Hengli Petrochemical | May 13, 2025 – Jun 10, 2025 | 28 | Restarted on Jun 10 |
| Yanshan Petrochemical | May 25, 2025 – TBD | Long-term shutdown planned | |
| Fujian Union Petrochemical | Jun 5, 2025 – Jun 20, 2025 | 16 | |
| Zhejiang Petrochemical | Jun 23, 2025 – Aug 10, 2025 | 48 | Restarted on Aug 10 |
| Wanhua Chemical (Phase II) | May 13, 2025 – Jun 25, 2025 | 41 | |
| Dongming Petrochemical | Jul 28, 2025 – Sep 18, 2025 | 52 | Restarted on Sep 18 |
| Fushun Petrochemical | Aug 15, 2025 – Oct 28, 2025 | 74 | Restarted on Oct 28 |
| Zhenhai Refining & Chemical | Sep 27, 2025 – Nov 20, 2025 | 54 | Restarted on Nov 20 |
| Guangzhou Petrochemical | Oct 13, 2025 – Dec 8, 2025 | 56 | Restarted on Dec 8 |
| Zhongyuan Petrochemical | Oct 25, 2025 – TBD | Long-term shutdown planned | |
| Dongming Petrochemical | Dec 13, 2025 – Dec 24, 2025 | 11 | Restarted on Dec 24 |
| Maoming Petrochemical | Nov 26, 2025 – Jan 10, 2026 | 45 | One unit under maintenance |
| Shanghai Petrochemical | Nov 25, 2025 – Jan 25, 2026 | 62 | Restarted on Jan 25 |
| Sinochem Quanzhou | Nov 25, 2025 – Jan 26, 2026 | 64 | Restarted on Jan 26 |
| United Petrochemical | Jan 8, 2026 – Jan 19, 2026 | 11 | Restarted on Jan 19 |
| Fujian Union Petrochemical | Mar 9, 2026 – Apr 9, 2026 | 31 | |
| Gulei Petrochemical | Mar 9, 2026 – Jul 19, 2026 | 132 | Restarted on Jul 19 |
| CNOOC Shell (Phase II) | Mar 6, 2026 – Apr 30, 2026 | 55 | Restarted on Apr 30 |
| Liaoyang Petrochemical | Apr 14, 2026 – May 3, 2026 | 19 | |
| Yangzi Petrochemical | May 5, 2026 – Oct 1, 2026 | 148 | Products shipped on Oct 1 |
| Sino-Korea Petrochemical | Jun 4, 2026 – Jul 15, 2026 | 39 | Restarted on Jul 15 |
| Hainan Refining & Chemical | Jun 6, 2026 – Oct 20, 2026 | 136 | Restarted on Oct 20 |
| Shenghong Refining & Chemical | Jul 1, 2026 – Aug 17, 2026 | 48 | Restarted on Aug 17 |
| CNOOC Shell | Aug 31, 2026 – TBD | ||
| Wanhua Chemical | Oct 10, 2026 – Dec 10, 2026 | Est. 61 | Estimated restart in mid-December |
| Guangdong Jieyang Petrochemical | Dec 5, 2026 – Feb 1, 2027 | Est. 57 |
Source: Chempricehub News
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