| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.88 | USD | 20250902 |
| Qingdao Shengze Chem | China national standards | MT | 815.88 | USD | 20250902 |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.88 | USD | 20250902 |
| Aite Zhejiang | China national standards | MT | 787.74 | USD | 20250902 |
| Aite Zhejiang | China national standards | MT | 844.01 | USD | 20250902 |
| Shandong Fusheng | Industrial Grade | MT | 900.28 | USD | 20250902 |
| Shandong Fusheng | China national standards | MT | 900.28 | USD | 20250902 |
| Shandong Fusheng | China national standards | MT | 844.01 | USD | 20250902 |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.88 | USD | 20250902 |
| Qingdao Shengze Chem | Industrial Grade | MT | 816.07 | USD | 20250901 |