| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Yisheng Trading Co., Ltd. | China national standards | MT | 1265.72 | USD | 20250922 |
| Guangzhou Yisheng Trading Co., Ltd. | China national standards | MT | 1253.04 | USD | 20250916 |
| Guangzhou Yisheng Trading Co., Ltd. | China national standards | MT | 1264.74 | USD | 20250825 |
| Guangzhou Yisheng Trading Co., Ltd. | China national standards | MT | 1261.88 | USD | 20250818 |