| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1007.56 | USD | 20250722 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1006.68 | USD | 20250721 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1007.02 | USD | 20250718 |