| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.21 | USD | 20251008 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.21 | USD | 20251007 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.21 | USD | 20251001 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.21 | USD | 20250930 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.01 | USD | 20250929 |