| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 746.16 | USD | 20250830 |
| Qingdao Shengze Chem | China national standards | MT | 816.56 | USD | 20250829 |
| Qingdao Shengze Chem | Industrial Grade | MT | 816.56 | USD | 20250829 |
| Shandong Fusheng | Industrial Grade | MT | 901.03 | USD | 20250829 |
| Shandong Fusheng | China national standards | MT | 901.03 | USD | 20250829 |
| Shandong Fusheng | China national standards | MT | 844.71 | USD | 20250829 |
| Shandong Xingpeng Chem | China national standards | MT | 647.61 | USD | 20250829 |
| Qingdao Shengze Chem | Industrial Grade | MT | 816.56 | USD | 20250829 |
| Qingdao Shengze Chem | China national standards | MT | 816.56 | USD | 20250829 |
| Shandong Qiangsen Chem | China national standards | MT | 746.16 | USD | 20250829 |