| Vendor | Spec | Unit | Price | Currency | Date |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.24 | USD | 20251124 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 888.89 | USD | 20251121 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 888.51 | USD | 20251120 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 888.93 | USD | 20251119 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.13 | USD | 20251118 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.63 | USD | 20251117 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.52 | USD | 20251114 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.42 | USD | 20251112 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.0 | USD | 20251111 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.13 | USD | 20251110 |