| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1103.95 | USD | 20250827 |
| Shandong Jinwen Chem | China national standards | MT | 1040.67 | USD | 20250827 |
| Shandong Fusheng | China national standards | MT | 1125.05 | USD | 20250827 |
| Shandong Fusheng | China national standards | MT | 1054.73 | USD | 20250827 |
| Qingdao Shengze Chem | China national standards | MT | 1011.41 | USD | 20250826 |
| Qingdao Shengze Chem | China national standards | MT | 1011.41 | USD | 20250826 |
| Shandong Fusheng | China national standards | MT | 1053.55 | USD | 20250826 |
| Shandong Fusheng | China national standards | MT | 1123.78 | USD | 20250826 |
| Shandong Huize Chem | China national standards | MT | 1039.5 | USD | 20250826 |
| Shandong Huize Chem | China national standards | MT | 1039.5 | USD | 20250826 |