| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Minshan EnviTech | China national standards | MT | USD | 20250523 | |
| Jiyuan JINLI | China national standards | MT | USD | 20250523 | |
| Lingbao LEAD | China national standards | MT | USD | 20250523 | |
| Chenzhou SILVER | China national standards | MT | USD | 20250523 | |
| SZ Zhongjin Nonfemet | China national standards | MT | USD | 20250523 | |
| Jiangsu SOPO | China national standards | MT | USD | 20250523 | |
| Zhangjiagang Two Lions | China national standards | MT | USD | 20250523 | |
| Yantai GUO DA | China national standards | MT | USD | 20250523 | |
| Yanggu C&d | China national standards | MT | USD | 20250523 | |
| NJ Geling Chem | China national standards | MT | USD | 20250523 |
