| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1281.47 | USD | 20251028 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1281.02 | USD | 20251027 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1280.17 | USD | 20251024 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1280.35 | USD | 20251023 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1279.7 | USD | 20251022 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1280.14 | USD | 20251021 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1279.36 | USD | 20251020 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1279.79 | USD | 20251017 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1279.45 | USD | 20251016 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1278.96 | USD | 20251015 |