| Vendor | Spec | Unit | Price | Currency | Date |
| Wanglong | China national standards | MT | 614.99 | USD | 20251204 |
| Changzhou Yihan Chem | China national standards | MT | 565.34 | USD | 20251203 |
| Wanglong | China national standards | MT | 614.46 | USD | 20251202 |
| Wanglong | China national standards | MT | 614.76 | USD | 20251201 |
| Zaozhuang Yitai | China national standards | MT | 537.03 | USD | 20251201 |
| Changzhou Yihan Chem | China national standards | MT | 565.3 | USD | 20251201 |
| Wanglong | China national standards | MT | 572.37 | USD | 20251201 |
| Zaozhuang Yitai | China national standards | MT | 537.03 | USD | 20251201 |
| Zaozhuang Yitai | China national standards | MT | 536.88 | USD | 20251127 |
| Wanglong | China national standards | MT | 614.59 | USD | 20251127 |