| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.1 | USD | 20251120 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 397.99 | USD | 20251118 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.39 | USD | 20251118 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.63 | USD | 20251117 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 398.22 | USD | 20251117 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.58 | USD | 20251116 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 398.16 | USD | 20251114 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.34 | USD | 20251113 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 397.94 | USD | 20251113 |