| Vendor | Spec | Unit | Price | Currency | Date |
| Wanglong | China national standards | MT | 614.64 | USD | 20251209 |
| Wanglong | China national standards | MT | 614.72 | USD | 20251208 |
| Changzhou Qidi Chem | China national standards | MT | 593.52 | USD | 20251208 |
| Wanglong | China national standards | MT | 600.59 | USD | 20251208 |
| Zaozhuang Yitai | China national standards | MT | 558.19 | USD | 20251208 |
| Zaozhuang Yitai | China national standards | MT | 544.06 | USD | 20251208 |
| Zaozhuang Yitai | China national standards | MT | 537.11 | USD | 20251205 |
| Wanglong | China national standards | MT | 572.45 | USD | 20251205 |
| Zaozhuang Yitai | China national standards | MT | 537.11 | USD | 20251205 |
| Changzhou Yihan Chem | China national standards | MT | 565.38 | USD | 20251205 |