| Vendor | Spec | Unit | Price | Currency | Date |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 917.15 | USD | 20251119 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 761.94 | USD | 20251119 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 917.35 | USD | 20251118 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 762.54 | USD | 20251117 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 762.44 | USD | 20251116 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 762.44 | USD | 20251115 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 917.76 | USD | 20251114 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 762.44 | USD | 20251114 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 762.01 | USD | 20251113 |