| Vendor | Spec | Unit | Price | Currency | Date |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 763.94 | USD | 20251211 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 763.22 | USD | 20251210 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 918.69 | USD | 20251210 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 763.0 | USD | 20251209 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 918.43 | USD | 20251209 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 763.1 | USD | 20251208 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 918.55 | USD | 20251208 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 763.26 | USD | 20251207 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 918.74 | USD | 20251207 |