| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 704.02 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 704.16 | USD | 20251013 |
| Shandong Hongyang Chem | China national standards | MT | 703.75 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 703.75 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 703.22 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 703.68 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 702.72 | USD | 20250928 |
| Shandong Hongyang Chem | China national standards | MT | 702.72 | USD | 20250926 |
| Shandong Hongyang Chem | China national standards | MT | 703.66 | USD | 20250925 |
| Shandong Hongyang Chem | China national standards | MT | 703.66 | USD | 20250924 |