| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1267.69 | USD | 20251015 |
| Shandong Jinwen Chem | China national standards | MT | 1211.35 | USD | 20251015 |
| Wanhua Chem | China national standards | MT | 1338.12 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1176.14 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1211.35 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1211.35 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1171.91 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1197.27 | USD | 20251015 |
| Shandong Zhiheng | China national standards | MT | 1126.84 | USD | 20251015 |
| Shandong Zhiheng | China national standards | MT | 1126.84 | USD | 20251015 |