| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Sanan Chem | China national standards | MT | 141.47 | USD | 20251211 |
| Zhangzhou Sanan Chem | China national standards | MT | 141.34 | USD | 20251210 |
| Zhangzhou Sanan Chem | China national standards | MT | 141.3 | USD | 20251209 |
| Zhangzhou Sanan Chem | China national standards | MT | 134.25 | USD | 20251208 |
| Zhangzhou Sanan Chem | China national standards | MT | 134.28 | USD | 20251207 |
| Zhangzhou Sanan Chem | China national standards | MT | 134.28 | USD | 20251205 |
| Zhangzhou Sanan Chem | China national standards | MT | 134.27 | USD | 20251203 |
| Zhangzhou Sanan Chem | China national standards | MT | 127.13 | USD | 20251202 |
| Zhangzhou Sanan Chem | China national standards | MT | 127.19 | USD | 20251201 |
| Zhangzhou Sanan Chem | China national standards | MT | 127.14 | USD | 20251130 |