| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Sanan Chem | China national standards | MT | 310.16 | USD | 20251021 |
| Zhangzhou Sanan Chem | China national standards | MT | 309.98 | USD | 20251020 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.08 | USD | 20251019 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.08 | USD | 20251017 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.0 | USD | 20251016 |
| Zhangzhou Sanan Chem | China national standards | MT | 309.77 | USD | 20251014 |
| Zhangzhou Sanan Chem | China national standards | MT | 309.83 | USD | 20251013 |
| Zhangzhou Sanan Chem | China national standards | MT | 309.65 | USD | 20251012 |
| Zhangzhou Sanan Chem | China national standards | MT | 309.65 | USD | 20251011 |
| Zhangzhou Sanan Chem | China national standards | MT | 309.65 | USD | 20251010 |