| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkanda Chem | China national standards | MT | 801.0 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 969.63 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1060.97 | USD | 20250825 |
| Sinopec | China national standards | MT | 1089.08 | USD | 20250825 |
| Sinopec | China national standards | MT | 1096.11 | USD | 20250825 |
| Sinopec | China national standards | MT | 1096.11 | USD | 20250825 |
| Aite Zhejiang | China national standards | MT | 1011.79 | USD | 20250825 |
| Huizhou Jincheng Petro | China national standards | MT | 1096.11 | USD | 20250825 |
| Sinopec | China national standards | MT | 1086.64 | USD | 20250823 |
| Shandong Langchem | China national standards | MT | 1058.59 | USD | 20250823 |