| Vendor | Spec | Unit | Price | Currency | Date |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 918.13 | USD | 20251126 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 917.74 | USD | 20251125 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 762.43 | USD | 20251125 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 917.47 | USD | 20251124 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 762.21 | USD | 20251124 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 917.11 | USD | 20251123 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 917.11 | USD | 20251122 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 917.11 | USD | 20251121 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 916.72 | USD | 20251120 |