| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Tongling ChemInd | China national standards | MT | USD | 20250304 | |
| Shandong Jianlong Tech | 105% | MT | USD | 20250304 | |
| SD Doguide | China national standards | MT | USD | 20250304 | |
| Shouguang Lianmeng | China national standards | MT | USD | 20250304 | |
| Zibo Xinhua | China national standards | MT | USD | 20250304 | |
| Zibo Xingya | China national standards | MT | USD | 20250304 | |
| Yantai Humon | China national standards | MT | USD | 20250304 | |
| Shandong Zhaojin | China national standards | MT | USD | 20250304 | |
| Xintai Mingrui | China national standards | MT | USD | 20250304 | |
| Jining Jinshan | China national standards | MT | USD | 20250304 |
