| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1399.23 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1060.03 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1257.9 | USD | 20251210 |
| Shandong Jinwen Chem | China national standards | MT | 1215.5 | USD | 20251210 |
| Shandong Jinmao | China national standards | MT | 1300.3 | USD | 20251210 |
| Dongying Huatai Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1215.5 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Aite Zhejiang | China national standards | MT | 1385.1 | USD | 20251210 |