| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shengrong | China national standards | MT | 1354.99 | USD | 20260422 |
| Shandong Chambroad | China national standards | MT | 1311.28 | USD | 20260422 |
| Dongming QianHai | China national standards | MT | 1340.42 | USD | 20260422 |
| Zibo Qixiang Chem | China national standards | MT | 1326.58 | USD | 20260422 |
| Ningbo Haode | China national standards | MT | 1427.84 | USD | 20260422 |
| Shandong Shengrong | China national standards | MT | 1384.96 | USD | 20260421 |
| Shandong Chambroad | China national standards | MT | 1312.07 | USD | 20260421 |
| Dongming QianHai | China national standards | MT | 1355.8 | USD | 20260421 |
| Zibo Qixiang Chem | China national standards | MT | 1327.38 | USD | 20260421 |
| Ningbo Haode | China national standards | MT | 1428.7 | USD | 20260421 |