| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 745.9 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 633.31 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 731.83 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 767.01 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 767.01 | USD | 20250930 |
| Jinan Dezheng Chem | China national standards | MT | 689.61 | USD | 20250930 |
| Jinan Dezheng Chem | China national standards | MT | 689.61 | USD | 20250930 |
| Yankuang Guotai Chem | China national standards | MT | 689.61 | USD | 20250930 |
| JIN Yimeng | China national standards | MT | 689.61 | USD | 20250930 |
| Shandong Jinwen Chem | China national standards | MT | 788.12 | USD | 20250930 |