| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1008.63 | USD | 20250820 |
| Shandong Langchem | China national standards | MT | 966.6 | USD | 20250820 |
| Shandong Langchem | China national standards | MT | 1057.66 | USD | 20250820 |
| Sinopec | China national standards | MT | 1085.68 | USD | 20250820 |
| Sinopec | China national standards | MT | 1092.68 | USD | 20250820 |
| Sinopec | China national standards | MT | 1092.68 | USD | 20250820 |
| Sinopec | China national standards | MT | 1092.68 | USD | 20250820 |
| Sinopec | China national standards | MT | 1092.68 | USD | 20250820 |
| Shandong Mengkanda Chem | China national standards | MT | 840.82 | USD | 20250819 |
| Qingdao Shengze Chem | China national standards | MT | 826.81 | USD | 20250819 |