| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei 789 Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1144.73 | USD | 20251201 |
| Sinopec | China national standards | MT | 989.27 | USD | 20251201 |
| Liaocheng Xinli | China national standards | MT | 791.42 | USD | 20251201 |
| Shandong Xima | China national standards | MT | 791.42 | USD | 20251201 |
| Jinan Jinhao Chem | China national standards | MT | 1116.47 | USD | 20251201 |
| Formosa Ningbo | China national standards | MT | 989.27 | USD | 20251201 |
| Jinan Aochen Chem | China national standards | MT | 961.01 | USD | 20251201 |
| Sinopec | China national standards | MT | 890.35 | USD | 20251201 |
| Sinopec | China national standards | MT | 791.42 | USD | 20251201 |