| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Zhaoju Industrial Co., Ltd. | China national standards | MT | 109.93 | USD | 20251022 |
| Henan Zhaoju Industrial Co., Ltd. | China national standards | MT | 110.18 | USD | 20251020 |
| Henan Zhaoju Industrial Co., Ltd. | China national standards | MT | 112.46 | USD | 20251010 |
| Henan Zhaoju Industrial Co., Ltd. | China national standards | MT | 112.54 | USD | 20250918 |