| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 1454.47 | USD | 20251117 |
| Shandong Laya Chem | China national standards | MT | 1454.47 | USD | 20251117 |
| Shandong Laya Chem | China national standards | MT | 1454.29 | USD | 20251115 |
| Shandong Laya Chem | China national standards | MT | 1454.29 | USD | 20251115 |
| Shandong Laya Chem | China national standards | MT | 1454.29 | USD | 20251114 |
| Shandong Laya Chem | China national standards | MT | 1454.12 | USD | 20251112 |
| Shandong Laya Chem | China national standards | MT | 1453.45 | USD | 20251111 |
| Shandong Laya Chem | China national standards | MT | 1453.45 | USD | 20251111 |
| Shandong Laya Chem | China national standards | MT | 1453.65 | USD | 20251110 |
| Shandong Laya Chem | China national standards | MT | 1454.06 | USD | 20251108 |