| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 898.39 | USD | 20251120 |
| Shandong Jinwen Chem | China national standards | MT | 1198.79 | USD | 20251120 |
| Shandong Hanyue Chem | China national standards | MT | 930.82 | USD | 20251120 |
| Shandong Hanyue Chem | China national standards | MT | 931.26 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Shandong Hanyue Chem | China national standards | MT | 931.26 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 987.7 | USD | 20251119 |