| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 989.41 | USD | 20251205 |
| Sinopec | China national standards | MT | 791.53 | USD | 20251205 |
| Aite Zhejiang | China national standards | MT | 883.4 | USD | 20251205 |
| Sinopec | China national standards | MT | 791.53 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1144.89 | USD | 20251205 |
| Shandong Mingyu | China national standards | MT | 862.2 | USD | 20251205 |
| Jinan Aochen Chem | China national standards | MT | 1201.43 | USD | 20251205 |
| Wanhua Chem | China national standards | MT | 1045.95 | USD | 20251205 |
| Sinopec | China national standards | MT | 791.53 | USD | 20251205 |
| Formosa Ningbo | China national standards | MT | 890.47 | USD | 20251205 |