| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 424.0 | USD | 20251203 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.76 | USD | 20251202 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 398.54 | USD | 20251201 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.97 | USD | 20251201 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.79 | USD | 20251130 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.79 | USD | 20251129 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.79 | USD | 20251128 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 398.42 | USD | 20251127 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.85 | USD | 20251127 |