| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1351.03 | USD | 20250925 |
| Shandong Aite Chem | China national standards | MT | 1252.52 | USD | 20250925 |
| Luxi Chem | China national standards | MT | 971.05 | USD | 20250925 |
| Qingdao Shengze Chem | China national standards | MT | 971.05 | USD | 20250925 |
| Shandong Haili Chem | China national standards | MT | 971.05 | USD | 20250925 |
| Qingdao Shengze Chem | China national standards | MT | 971.05 | USD | 20250925 |
| Jinan Jiaxing Chem | China national standards | MT | 1055.49 | USD | 20250925 |
| Jinan Jiaxing Chem | China national standards | MT | 985.12 | USD | 20250925 |
| Jinan Jiaxing Chem | China national standards | MT | 956.98 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1246.89 | USD | 20250925 |