| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.56 | USD | 20251015 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.41 | USD | 20251014 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.41 | USD | 20251014 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.49 | USD | 20251013 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.49 | USD | 20251013 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.25 | USD | 20251012 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.25 | USD | 20251011 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.25 | USD | 20251011 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.25 | USD | 20251010 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 421.93 | USD | 20251009 |