| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1170.91 | USD | 20250915 |
| Shandong Langchem | China national standards | MT | 1170.91 | USD | 20250915 |
| Shandong Langchem | China national standards | MT | 1168.09 | USD | 20250915 |
| Shandong Yeyang Chem | China national standards | MT | 1146.98 | USD | 20250915 |
| Qingdao Shengze Chem | China national standards | MT | 1464.4 | USD | 20250914 |
| Qingdao Shengze Chem | China national standards | MT | 1464.4 | USD | 20250914 |
| Shandong Xingpeng Chem | China national standards | MT | 1450.32 | USD | 20250914 |
| Shandong Xingpeng Chem | China national standards | MT | 1450.32 | USD | 20250913 |
| Qingdao Shengze Chem | China national standards | MT | 1464.4 | USD | 20250913 |
| Qingdao Shengze Chem | China national standards | MT | 1464.4 | USD | 20250913 |