| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 1081.06 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1175.74 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 1512.07 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1130.52 | USD | 20251208 |
| JS Yangnong Chem | China national standards | MT | 854.95 | USD | 20251208 |
| Shandong Yeyang Chem | China national standards | MT | 1151.72 | USD | 20251208 |
| Dongying Lianchem | China national standards | MT | 1175.74 | USD | 20251208 |
| Dongying Lianchem | China national standards | MT | 1201.18 | USD | 20251208 |
| Jiangsu Haixing Chem | China national standards | MT | 1271.83 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 1512.07 | USD | 20251208 |