| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei 789 Chem | China national standards | MT | 819.8 | USD | 20251205 |
| Sinopec | China national standards | MT | 791.53 | USD | 20251205 |
| Hubei 789 Chem | China national standards | MT | 819.8 | USD | 20251205 |
| Jinan Aochen Chem | China national standards | MT | 1201.43 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1144.89 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1060.09 | USD | 20251205 |
| Shandong Xima | China national standards | MT | 791.53 | USD | 20251205 |
| Shandong Yaoming Chem | China national standards | MT | 833.93 | USD | 20251205 |
| Wanhua Yantai | China national standards | MT | 791.53 | USD | 20251205 |
| Jinan Aochen Chem | China national standards | MT | 961.14 | USD | 20251205 |