| Vendor | Spec | Unit | Price | Currency | Date |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 886.72 | USD | 20251011 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 886.72 | USD | 20251010 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 886.05 | USD | 20251009 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 886.64 | USD | 20250930 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 886.21 | USD | 20250929 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 885.43 | USD | 20250926 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 886.61 | USD | 20250925 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 886.61 | USD | 20250924 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 886.61 | USD | 20250923 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |