| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1192.07 | USD | 20251104 |
| Shandong Hongyang Chem | China national standards | MT | 1192.37 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 1192.37 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 1192.16 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 1192.16 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 1192.42 | USD | 20251030 |
| Shandong Hongyang Chem | China national standards | MT | 1192.42 | USD | 20251030 |
| Shandong Hongyang Chem | China national standards | MT | 1192.78 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 1192.78 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 1192.56 | USD | 20251028 |