| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1165.56 | USD | 20250808 |
| Shandong Langchem | China national standards | MT | 1165.56 | USD | 20250808 |
| Shandong Junfeng | China national standards | MT | 917.6 | USD | 20250808 |
| Qingdao Shengze Chem | China national standards | MT | 1400.91 | USD | 20250808 |
| Qingdao Shengze Chem | China national standards | MT | 1400.91 | USD | 20250808 |
| Shandong Xingpeng Chem | China national standards | MT | 1400.91 | USD | 20250808 |
| Shandong Xima | China national standards | MT | 840.55 | USD | 20250808 |
| Shandong Qiangsen Chem | China national standards | MT | 1050.69 | USD | 20250808 |
| Jiangsu Haixing Chem | China national standards | MT | 1134.74 | USD | 20250808 |
| Dongying Lianchem | China national standards | MT | 1190.78 | USD | 20250808 |