| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Yihan Chem | China national standards | MT | 591.97 | USD | 20251017 |
| Zaozhuang Yitai | China national standards | MT | 570.83 | USD | 20251017 |
| Zaozhuang Yitai | China national standards | MT | 563.79 | USD | 20251017 |
| Wanglong | China national standards | MT | 584.93 | USD | 20251017 |
| Wanglong | China national standards | MT | 627.21 | USD | 20251017 |
| Wanglong | China national standards | MT | 627.04 | USD | 20251016 |
| Changzhou Yihan Chem | China national standards | MT | 591.82 | USD | 20251016 |
| Zaozhuang Yitai | China national standards | MT | 570.68 | USD | 20251016 |
| Wanglong | China national standards | MT | 584.77 | USD | 20251016 |
| Zaozhuang Yitai | China national standards | MT | 563.63 | USD | 20251016 |