| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1905.89 | USD | 20251112 |
| Shandong Hongyang Chem | China national standards | MT | 1905.0 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 1905.27 | USD | 20251110 |
| Shandong Hongyang Chem | China national standards | MT | 1905.81 | USD | 20251107 |
| Shandong Hongyang Chem | China national standards | MT | 1905.03 | USD | 20251106 |
| Shandong Hongyang Chem | China national standards | MT | 1904.06 | USD | 20251105 |
| Shandong Hongyang Chem | China national standards | MT | 1904.49 | USD | 20251104 |
| Shandong Hongyang Chem | China national standards | MT | 1904.98 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 1904.63 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 1905.06 | USD | 20251030 |