| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 916.98 | USD | 20251104 |
| Shandong Hongyang Chem | China national standards | MT | 917.21 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 860.77 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 860.61 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 917.04 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 917.25 | USD | 20251030 |
| Shandong Hongyang Chem | China national standards | MT | 860.8 | USD | 20251030 |
| Shandong Hongyang Chem | China national standards | MT | 917.52 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 861.06 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 860.9 | USD | 20251028 |