| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Jinan Jiaxing Chem | China national standards | MT | 890.28 | USD | 20251208 |
| Sinopec | China national standards | MT | 847.89 | USD | 20251208 |
| Sinopec | China national standards | MT | 1257.7 | USD | 20251208 |
| Shandong Mingyu | China national standards | MT | 876.15 | USD | 20251208 |
| Sinopec | China national standards | MT | 1095.19 | USD | 20251208 |
| Derun Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Huizhou Jincheng Petro | China national standards | MT | 876.15 | USD | 20251208 |
| Shandong Changyi Petro | China national standards | MT | 741.9 | USD | 20251208 |
| Shandong Yaoming Chem | China national standards | MT | 741.9 | USD | 20251208 |