| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad | China national standards | MT | 727.51 | USD | 20251130 |
| Shandong Jinwen Chem | China national standards | MT | 932.35 | USD | 20251129 |
| Qilu Petrochem | China national standards | MT | 727.51 | USD | 20251129 |
| Shandong Mingyu | China national standards | MT | 875.84 | USD | 20251129 |
| Sinopec | China national standards | MT | 1002.98 | USD | 20251129 |
| Sinopec | China national standards | MT | 1073.61 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1115.99 | USD | 20251129 |
| Shandong Chambroad | China national standards | MT | 1073.61 | USD | 20251129 |
| Aite Zhejiang | China national standards | MT | 1017.11 | USD | 20251129 |
| Sinopec | China national standards | MT | 727.51 | USD | 20251129 |