| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 505.96 | USD | 20250926 |
| Shandong Qiangsen Chem | China national standards | MT | 505.96 | USD | 20250926 |
| Zaozhuang Yitai | China national standards | MT | 632.45 | USD | 20250926 |
| Zaozhuang Yitai | China national standards | MT | 604.34 | USD | 20250926 |
| Lihuayi Weiyuan Chem | China national standards | MT | 520.01 | USD | 20250926 |
| Beijing Yanshan Petro | China national standards | MT | 520.01 | USD | 20250926 |
| Lihuayi Weiyuan Chem | China national standards | MT | 520.01 | USD | 20250926 |
| Beijing Yanshan Petro | China national standards | MT | 520.01 | USD | 20250926 |
| Shandong Jinshenrun Chem | China national standards | MT | 590.29 | USD | 20250926 |
| Shandong Jinshenrun Chem | China national standards | MT | 618.39 | USD | 20250926 |