| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 969.26 | USD | 20250826 |
| Shandong Jinwen Chem | China national standards | MT | 969.26 | USD | 20250826 |
| Shandong Langchem | China national standards | MT | 1244.59 | USD | 20250826 |
| Shandong Langchem | China national standards | MT | 1168.74 | USD | 20250826 |
| Qingdao Shengze Chem | China national standards | MT | 969.63 | USD | 20250825 |
| Qingdao Shengze Chem | China national standards | MT | 969.63 | USD | 20250825 |
| Qingdao Shengze Chem | China national standards | MT | 969.63 | USD | 20250825 |
| Nanjing Baitu Chem | China national standards | MT | 1039.9 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1169.18 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1245.06 | USD | 20250825 |