| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 989.08 | USD | 20251209 |
| Satellite Chem | China national standards | MT | 777.13 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 960.82 | USD | 20251209 |
| Shandong Kaitai Petro | China national standards | MT | 918.43 | USD | 20251209 |
| Sinopec | China national standards | MT | 791.26 | USD | 20251209 |
| Sinopec | China national standards | MT | 777.13 | USD | 20251209 |
| Formosa Ningbo | China national standards | MT | 890.17 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1059.73 | USD | 20251209 |
| Sinopec | China national standards | MT | 777.13 | USD | 20251209 |
| Wanhua Chem | China national standards | MT | 1073.86 | USD | 20251209 |