| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Sanan Chem | China national standards | MT | 310.78 | USD | 20251129 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.78 | USD | 20251128 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.83 | USD | 20251127 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.75 | USD | 20251126 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.62 | USD | 20251125 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.53 | USD | 20251124 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.41 | USD | 20251123 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.41 | USD | 20251122 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.41 | USD | 20251121 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.27 | USD | 20251120 |