| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 734.74 | USD | 20251209 |
| Sinopec | China national standards | MT | 1003.21 | USD | 20251209 |
| Shandong Chambroad | China national standards | MT | 734.74 | USD | 20251209 |
| Shandong Jinwen Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Jinwen Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Zhenghe | China national standards | MT | 932.56 | USD | 20251209 |
| Sinopec | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Jinwen Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Huizhou Jincheng Petro | China national standards | MT | 876.04 | USD | 20251209 |
| Derun Chem | China national standards | MT | 932.56 | USD | 20251209 |