| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Sanan Chem | China national standards | MT | 310.42 | USD | 20251119 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.49 | USD | 20251118 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.66 | USD | 20251117 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.62 | USD | 20251116 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.62 | USD | 20251114 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.45 | USD | 20251113 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.59 | USD | 20251112 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.45 | USD | 20251111 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.49 | USD | 20251110 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.58 | USD | 20251109 |