| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 1454.06 | USD | 20251107 |
| Shandong Laya Chem | China national standards | MT | 1453.47 | USD | 20251106 |
| Shandong Laya Chem | China national standards | MT | 1452.73 | USD | 20251105 |
| Shandong Laya Chem | China national standards | MT | 1452.73 | USD | 20251105 |
| Shandong Laya Chem | China national standards | MT | 1453.06 | USD | 20251104 |
| Shandong Laya Chem | China national standards | MT | 1453.43 | USD | 20251103 |
| Shandong Laya Chem | China national standards | MT | 1453.16 | USD | 20251101 |
| Shandong Laya Chem | China national standards | MT | 1453.16 | USD | 20251031 |
| Shandong Laya Chem | China national standards | MT | 1453.49 | USD | 20251030 |
| Shandong Laya Chem | China national standards | MT | 1453.92 | USD | 20251029 |