| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Changzhou Qidi Chem | China national standards | MT | 676.1 | USD | 20251015 |
| Changzhou Qidi Chem | China national standards | MT | 676.1 | USD | 20251015 |
| Zaozhuang Yitai | China national standards | MT | 563.42 | USD | 20251015 |
| Wanglong | China national standards | MT | 584.55 | USD | 20251015 |
| Zaozhuang Yitai | China national standards | MT | 570.46 | USD | 20251015 |
| Wanglong | China national standards | MT | 626.8 | USD | 20251015 |