| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 999.82 | USD | 20250917 |
| Shandong Huize Chem | China national standards | MT | 837.71 | USD | 20250916 |
| Qingdao Shengze Chem | China national standards | MT | 830.67 | USD | 20250916 |
| Shandong Xingpeng Chem | China national standards | MT | 844.75 | USD | 20250916 |
| Sinopec | China national standards | MT | 1098.17 | USD | 20250916 |
| Sinopec | China national standards | MT | 1098.17 | USD | 20250916 |
| Sinopec | China national standards | MT | 1098.17 | USD | 20250916 |
| Sinopec | China national standards | MT | 1098.17 | USD | 20250916 |
| Sinopec | China national standards | MT | 1091.13 | USD | 20250916 |
| Shandong Langchem | China national standards | MT | 1062.98 | USD | 20250916 |