| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 231.9 | USD | 20250927 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 196.76 | USD | 20250927 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 182.71 | USD | 20250926 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 196.83 | USD | 20250919 |