| Vendor | Spec | Unit | Price | Currency | Date |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.38 | USD | 20251107 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.01 | USD | 20251106 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 888.56 | USD | 20251105 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 888.76 | USD | 20251104 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 888.99 | USD | 20251103 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 888.83 | USD | 20251031 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.03 | USD | 20251030 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.29 | USD | 20251029 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.13 | USD | 20251028 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 888.22 | USD | 20251024 |