| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 959.56 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 959.69 | USD | 20251110 |
| Shandong Hongyang Chem | China national standards | MT | 959.96 | USD | 20251107 |
| Shandong Hongyang Chem | China national standards | MT | 959.57 | USD | 20251106 |
| Shandong Hongyang Chem | China national standards | MT | 959.08 | USD | 20251105 |
| Shandong Hongyang Chem | China national standards | MT | 959.3 | USD | 20251104 |
| Shandong Hongyang Chem | China national standards | MT | 959.54 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 959.37 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 959.58 | USD | 20251030 |
| Shandong Hongyang Chem | China national standards | MT | 959.87 | USD | 20251029 |