| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 830.74 | USD | 20251014 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 830.9 | USD | 20251013 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 844.5 | USD | 20251011 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 857.92 | USD | 20251009 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 843.27 | USD | 20250926 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 858.47 | USD | 20250925 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 858.47 | USD | 20250924 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 865.5 | USD | 20250923 |