| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1284.55 | USD | 20251211 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1283.34 | USD | 20251210 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1282.98 | USD | 20251209 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1283.14 | USD | 20251208 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1283.41 | USD | 20251205 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1283.7 | USD | 20251204 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1283.32 | USD | 20251203 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1282.59 | USD | 20251202 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1283.23 | USD | 20251201 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1282.69 | USD | 20251128 |