| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 860.9 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 917.35 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 861.39 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 917.87 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 861.28 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 917.76 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 860.79 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 861.18 | USD | 20251112 |
| Shandong Hongyang Chem | China national standards | MT | 917.65 | USD | 20251112 |
| Shandong Hongyang Chem | China national standards | MT | 860.78 | USD | 20251111 |