| Vendor | Spec | Unit | Price | Currency | Date |
| Wanglong | China national standards | MT | 613.76 | USD | 20251121 |
| Wanglong | China national standards | MT | 613.5 | USD | 20251120 |
| Zaozhuang Yitai | China national standards | MT | 536.18 | USD | 20251119 |
| Wanglong | China national standards | MT | 571.45 | USD | 20251119 |
| Zaozhuang Yitai | China national standards | MT | 536.18 | USD | 20251119 |
| Changzhou Qidi Chem | China national standards | MT | 677.43 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 677.43 | USD | 20251118 |
| Zaozhuang Yitai | China national standards | MT | 536.3 | USD | 20251118 |
| Zaozhuang Yitai | China national standards | MT | 536.3 | USD | 20251118 |
| Wanglong | China national standards | MT | 571.58 | USD | 20251118 |