| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1277.85 | USD | 20250924 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1277.85 | USD | 20250923 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1276.97 | USD | 20250922 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1276.57 | USD | 20250919 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1277.34 | USD | 20250918 |