| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Zhongyuan Dahua | China national standards | MT | 678.17 | USD | 20251127 |
| Henan Zhongyuan Dahua | China national standards | MT | 706.42 | USD | 20251127 |
| Henan Zhongyuan Dahua | China national standards | MT | 676.59 | USD | 20251126 |
| Henan Zhongyuan Dahua | China national standards | MT | 705.96 | USD | 20251125 |
| Henan Zhongyuan Dahua | China national standards | MT | 676.31 | USD | 20251125 |
| Henan Zhongyuan Dahua | China national standards | MT | 705.5 | USD | 20251119 |
| Henan Zhongyuan Dahua | China national standards | MT | 719.77 | USD | 20251118 |
| Henan Zhongyuan Dahua | China national standards | MT | 720.08 | USD | 20251115 |
| Henan Zhongyuan Dahua | China national standards | MT | 720.08 | USD | 20251114 |
| Henan Zhongyuan Dahua | China national standards | MT | 705.97 | USD | 20251114 |