| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1055.97 | USD | 20250718 |
| Shandong Langchem | China national standards | MT | 965.06 | USD | 20250718 |
| Sinopec | China national standards | MT | 1090.94 | USD | 20250718 |
| Sinopec | China national standards | MT | 1090.94 | USD | 20250718 |
| Aite Zhejiang | China national standards | MT | 1007.02 | USD | 20250718 |
| Huizhou Jincheng Petro | China national standards | MT | 1090.94 | USD | 20250718 |