| Vendor | Spec | Unit | Price | Currency | Date |
| Zaozhuang Yitai | China national standards | MT | 536.53 | USD | 20251125 |
| Wanglong | China national standards | MT | 571.82 | USD | 20251125 |
| Zaozhuang Yitai | China national standards | MT | 536.53 | USD | 20251125 |
| Changzhou Qidi Chem | China national standards | MT | 593.0 | USD | 20251125 |
| Wanglong | China national standards | MT | 614.18 | USD | 20251125 |
| Wanglong | China national standards | MT | 564.6 | USD | 20251124 |
| Wanglong | China national standards | MT | 614.0 | USD | 20251124 |
| Zaozhuang Yitai | China national standards | MT | 536.16 | USD | 20251121 |
| Wanglong | China national standards | MT | 613.76 | USD | 20251121 |
| Zaozhuang Yitai | China national standards | MT | 536.16 | USD | 20251121 |