| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Changzhou Hengda Chem | China national standards | MT | USD | 20260803 | |
| JX Chaosheng | China national standards | MT | USD | 20260803 | |
| Huludao Zinc | China national standards | MT | USD | 20260803 | |
| Hunchun Zijin | China national standards | MT | USD | 20260803 | |
| HLJ Zijin Copper | China national standards | MT | USD | 20260803 | |
| JL Longyuanqi | China national standards | MT | USD | 20260803 | |
| Yingkou Shenghai Chemical | China national standards | MT | USD | 20260803 | |
| Jilin Dadi | China national standards | MT | USD | 20260803 | |
| Shandong Chambroad Energy | China national standards | MT | USD | 20260731 | |
| Tangshan Baoshun | China national standards | MT | USD | 20260731 |
