| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chem | China national standards | MT | 1025.97 | USD | 20250926 |
| Shandong Wells Chem | China national standards | MT | 1011.92 | USD | 20250926 |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.16 | USD | 20250926 |
| Qingdao Shengze Chem | China national standards | MT | 815.16 | USD | 20250926 |
| Shandong Aite Chem | China national standards | MT | 1096.24 | USD | 20250926 |
| Shandong Aite Chem | China national standards | MT | 913.54 | USD | 20250926 |
| Shandong Aite Chem | China national standards | MT | 913.54 | USD | 20250926 |
| Shandong Yushuo Chem | China national standards | MT | 829.21 | USD | 20250926 |
| Shandong Yushuo Chem | Industrial Grade | MT | 829.21 | USD | 20250926 |
| Shandong Yushuo Chem | China national standards | MT | 829.21 | USD | 20250926 |