| Vendor | Spec | Unit | Price | Currency | Date |
| Wanglong | China national standards | MT | 614.59 | USD | 20251127 |
| Zaozhuang Yitai | China national standards | MT | 536.88 | USD | 20251127 |
| Zaozhuang Yitai | China national standards | MT | 536.75 | USD | 20251126 |
| Wanglong | China national standards | MT | 614.44 | USD | 20251126 |
| Zaozhuang Yitai | China national standards | MT | 536.75 | USD | 20251126 |
| Wanglong | China national standards | MT | 572.07 | USD | 20251126 |
| Wanglong | China national standards | MT | 614.18 | USD | 20251125 |
| Changzhou Qidi Chem | China national standards | MT | 593.0 | USD | 20251125 |
| Zaozhuang Yitai | China national standards | MT | 536.53 | USD | 20251125 |
| Wanglong | China national standards | MT | 571.82 | USD | 20251125 |