| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad | China national standards | MT | 1299.52 | USD | 20260507 |
| Dongming QianHai | China national standards | MT | 1401.73 | USD | 20260507 |
| Zibo Qixiang Chem | China national standards | MT | 1314.85 | USD | 20260507 |
| Ningbo Haode | China national standards | MT | 1460.13 | USD | 20260507 |
| Shandong Chambroad | China national standards | MT | 1268.92 | USD | 20260506 |
| Dongming QianHai | China national standards | MT | 1400.19 | USD | 20260506 |
| Zibo Qixiang Chem | China national standards | MT | 1298.82 | USD | 20260506 |
| Ningbo Haode | China national standards | MT | 1458.53 | USD | 20260506 |
| Shandong Chambroad | China national standards | MT | 1253.13 | USD | 20260430 |
| Dongming QianHai | China national standards | MT | 1267.7 | USD | 20260430 |