| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Huludao Zinc | China national standards | MT | USD | 20260918 | |
| Hunchun Zijin | China national standards | MT | USD | 20260918 | |
| HLJ Zijin Copper | China national standards | MT | USD | 20260918 | |
| JL Longyuanqi | China national standards | MT | USD | 20260918 | |
| Jilin Dadi | China national standards | MT | USD | 20260918 | |
| Changzhou Qinghong Chem | China national standards | MT | USD | 20260918 | |
| Changshu ChemLight | China national standards | MT | USD | 20260918 | |
| Zouping Tianlu Chem | China national standards | MT | USD | 20260918 | |
| Zhejiang Heding Copper | China national standards | MT | USD | 20260917 | |
| Tangshan Baoshun | China national standards | MT | USD | 20260917 |
