| Vendor | Spec | Unit | Price | Currency | Date |
| Zaozhuang Yitai | China national standards | MT | 558.12 | USD | 20251209 |
| Wanglong | China national standards | MT | 614.64 | USD | 20251209 |
| Zaozhuang Yitai | China national standards | MT | 543.99 | USD | 20251209 |
| Wanglong | China national standards | MT | 600.51 | USD | 20251209 |
| Wanglong | China national standards | MT | 614.64 | USD | 20251209 |
| Zaozhuang Yitai | China national standards | MT | 558.19 | USD | 20251208 |
| Wanglong | China national standards | MT | 614.72 | USD | 20251208 |
| Changzhou Qidi Chem | China national standards | MT | 593.52 | USD | 20251208 |
| Zaozhuang Yitai | China national standards | MT | 544.06 | USD | 20251208 |
| Wanglong | China national standards | MT | 600.59 | USD | 20251208 |