| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1168.52 | USD | 20250829 |
| Qingdao Shengze Chem | China national standards | MT | 1407.2 | USD | 20250828 |
| Qingdao Shengze Chem | China national standards | MT | 1407.2 | USD | 20250828 |
| Qingdao Shengze Chem | China national standards | MT | 1407.2 | USD | 20250828 |
| Qingdao Shengze Chem | China national standards | MT | 1407.2 | USD | 20250828 |
| Shandong Xingpeng Chem | China national standards | MT | 1449.42 | USD | 20250828 |
| Jiangsu Haixing Chem | China national standards | MT | 1139.83 | USD | 20250828 |
| Dongying Lianchem | China national standards | MT | 1196.12 | USD | 20250828 |
| Jiangsu Haixing Chem | China national standards | MT | 1139.83 | USD | 20250828 |
| Dongying Lianchem | China national standards | MT | 1196.12 | USD | 20250828 |