| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1170.89 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1168.08 | USD | 20250924 |
| Shandong Hongyang Chem | China national standards | MT | 1125.86 | USD | 20250924 |
| Shandong Hongyang Chem | China national standards | MT | 1125.86 | USD | 20250924 |
| Shandong Yuanhe Chem | China national standards | MT | 1266.59 | USD | 20250923 |
| Shandong Yuxuan Chem | China national standards | MT | 1688.79 | USD | 20250923 |
| Jinan Pulaihua Chem | China national standards | MT | 1477.69 | USD | 20250923 |
| Shandong Haili Chem | China national standards | MT | 1477.69 | USD | 20250923 |
| Jiangsu Yingte Chem | China national standards | MT | 1477.69 | USD | 20250923 |