| Vendor | Spec | Unit | Price | Currency | Date |
| Sanjiang Chem | China national standards | MT | 886.61 | USD | 20250925 |
| Zibo Huibao Chem | China national standards | MT | 1407.32 | USD | 20250925 |
| Shandong Hongyang Chem | China national standards | MT | 971.05 | USD | 20250925 |
| Zibo Huibao Chem | China national standards | MT | 1407.32 | USD | 20250924 |
| Shandong Hongyang Chem | China national standards | MT | 971.05 | USD | 20250924 |
| Shandong Hongyang Chem | China national standards | MT | 971.05 | USD | 20250923 |
| Shandong Hongyang Chem | China national standards | MT | 970.38 | USD | 20250922 |
| Sanjiang Chem | China national standards | MT | 886.0 | USD | 20250922 |
| Sinopec | China national standards | MT | 886.0 | USD | 20250922 |
| Sinopec | China national standards | MT | 886.0 | USD | 20250922 |