| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1281.55 | USD | 20250909 |
| Shandong Langchem | China national standards | MT | 1105.51 | USD | 20250909 |
| Shandong Jinwen Chem | China national standards | MT | 1042.14 | USD | 20250909 |
| Shandong Fusheng | China national standards | MT | 1126.63 | USD | 20250909 |
| Shandong Fusheng | China national standards | MT | 1056.22 | USD | 20250909 |
| Qingdao Shengze Chem | China national standards | MT | 999.59 | USD | 20250908 |
| Qingdao Shengze Chem | China national standards | MT | 999.59 | USD | 20250908 |
| Aite Zhejiang | China national standards | MT | 1027.75 | USD | 20250908 |
| Aite Zhejiang | China national standards | MT | 1069.99 | USD | 20250908 |
| Shandong Langchem | China national standards | MT | 1105.18 | USD | 20250908 |