| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chem | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Wells Chem | China national standards | MT | 1027.37 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 1013.3 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 914.78 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 914.78 | USD | 20250930 |
| Shandong Wells Chem | China national standards | MT | 816.27 | USD | 20250930 |
| Tongling Jintai Chem | China national standards | MT | 802.2 | USD | 20250930 |
| Jinan Dezheng Chem | Industrial Grade | MT | 802.2 | USD | 20250930 |
| Shandong Jinwen Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 830.34 | USD | 20250930 |