| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 353.36 | USD | 20251205 |
| Shandong Jinshenrun Chem | China national standards | MT | 395.77 | USD | 20251205 |
| Yankuang Guotai Chem | China national standards | MT | 353.36 | USD | 20251205 |
| Henan Longyu | China national standards | MT | 303.89 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 395.77 | USD | 20251205 |
| Shandong Hualu | China national standards | MT | 390.11 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 346.29 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 367.58 | USD | 20251204 |
| Yankuang Guotai Chem | China national standards | MT | 353.44 | USD | 20251204 |
| Chizhou Xinyu Chem | China national standards | MT | 395.85 | USD | 20251204 |