| Vendor | Spec | Unit | Price | Currency | Date |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 888.35 | USD | 20251023 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 887.9 | USD | 20251022 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 888.2 | USD | 20251021 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 887.66 | USD | 20251020 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 887.96 | USD | 20251018 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 887.96 | USD | 20251017 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 887.72 | USD | 20251016 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 887.39 | USD | 20251015 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 887.06 | USD | 20251014 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 887.24 | USD | 20251013 |