| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1322.92 | USD | 20250930 |
| Aite Zhejiang | China national standards | MT | 1308.85 | USD | 20250930 |
| Aite Zhejiang | China national standards | MT | 1154.04 | USD | 20250930 |
| Aite Zhejiang | China national standards | MT | 1154.04 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1196.26 | USD | 20250930 |
| Beijing Yanshan Petro | China national standards | MT | 1217.37 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1196.26 | USD | 20250930 |
| Beijing Yanshan Petro | China national standards | MT | 1217.37 | USD | 20250930 |
| Shandong Laya Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 1189.22 | USD | 20250930 |