| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Sanan Chem | China national standards | MT | 310.58 | USD | 20251107 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.45 | USD | 20251106 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.38 | USD | 20251102 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.45 | USD | 20251030 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.55 | USD | 20251029 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.49 | USD | 20251028 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.38 | USD | 20251027 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.17 | USD | 20251026 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.17 | USD | 20251024 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.22 | USD | 20251023 |