| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| JX Chaosheng | China national standards | MT | USD | 20260618 | |
| Huludao Zinc | China national standards | MT | USD | 20260618 | |
| Hunchun Zijin | China national standards | MT | USD | 20260618 | |
| HLJ Zijin Copper | China national standards | MT | USD | 20260618 | |
| JL Longyuanqi | China national standards | MT | USD | 20260618 | |
| Jilin Dadi | China national standards | MT | USD | 20260618 | |
| Yunnan Copper | China national standards | MT | USD | 20260618 | |
| Tangshan Baoshun | China national standards | MT | USD | 20260617 | |
| Bayannur Zijin | China national standards | MT | USD | 20260617 | |
| Baotou Huading | China national standards | MT | USD | 20260617 |
