| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Wanglong | China national standards | MT | 613.92 | USD | 20251118 |
| Zaozhuang Yitai | China national standards | MT | 536.6 | USD | 20251117 |
| Zaozhuang Yitai | China national standards | MT | 536.6 | USD | 20251117 |
| Wanglong | China national standards | MT | 571.9 | USD | 20251117 |