| Vendor | Spec | Unit | Price | Currency | Date |
| Zhejiang Finance Trade Supply CHAIN Management Co., Ltd. | China national standards | MT | 943.28 | USD | 20250908 |
| Zhejiang Finance Trade Supply CHAIN Management Co., Ltd. | China national standards | MT | 802.49 | USD | 20250908 |
| Zhejiang Finance Trade Supply CHAIN Management Co., Ltd. | China national standards | MT | 943.26 | USD | 20250829 |