| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.39 | USD | 20251028 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.24 | USD | 20251027 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.96 | USD | 20251024 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 415.91 | USD | 20251024 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.02 | USD | 20251023 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.81 | USD | 20251022 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.81 | USD | 20251022 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.95 | USD | 20251021 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.95 | USD | 20251021 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.7 | USD | 20251020 |