| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Yihan Chem | China national standards | MT | 565.88 | USD | 20251211 |
| Zaozhuang Yitai | China national standards | MT | 544.15 | USD | 20251210 |
| Wanglong | China national standards | MT | 600.68 | USD | 20251210 |
| Zaozhuang Yitai | China national standards | MT | 558.28 | USD | 20251210 |
| Wanglong | China national standards | MT | 614.81 | USD | 20251210 |
| Changzhou Yihan Chem | China national standards | MT | 565.35 | USD | 20251210 |
| Wanglong | China national standards | MT | 600.51 | USD | 20251209 |
| Zaozhuang Yitai | China national standards | MT | 558.12 | USD | 20251209 |
| Wanglong | China national standards | MT | 614.64 | USD | 20251209 |
| Wanglong | China national standards | MT | 614.64 | USD | 20251209 |