| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1202.5 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 1046.88 | USD | 20251211 |
| Shandong Xima | China national standards | MT | 976.15 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 947.85 | USD | 20251211 |
| Sinopec | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 912.49 | USD | 20251211 |
| Sinopec | China national standards | MT | 933.71 | USD | 20251211 |
| Zibo Lishuo Chem | China national standards | MT | 990.3 | USD | 20251211 |