| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 790.12 | USD | 20251121 |
| Sinopec | China national standards | MT | 804.23 | USD | 20251121 |
| Sinopec | China national standards | MT | 790.12 | USD | 20251121 |
| Aite Zhejiang | China national standards | MT | 888.89 | USD | 20251121 |
| Liaocheng Xinli | China national standards | MT | 790.12 | USD | 20251121 |
| Aite Zhejiang | China national standards | MT | 881.83 | USD | 20251121 |
| Jinan Aochen Chem | China national standards | MT | 917.11 | USD | 20251121 |
| Jinan Aochen Chem | China national standards | MT | 987.65 | USD | 20251121 |
| Jinan Aochen Chem | China national standards | MT | 1241.62 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 987.65 | USD | 20251121 |