| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1463.47 | USD | 20250907 |
| Qingdao Shengze Chem | China national standards | MT | 1463.47 | USD | 20250907 |
| Qingdao Shengze Chem | China national standards | MT | 1463.47 | USD | 20250906 |
| Qingdao Shengze Chem | China national standards | MT | 1463.47 | USD | 20250906 |
| Shandong Xingpeng Chem | China national standards | MT | 1449.4 | USD | 20250906 |
| Shandong Xima | China national standards | MT | 844.31 | USD | 20250906 |
| Shandong Junfeng | China national standards | MT | 914.67 | USD | 20250906 |
| Shandong Junfeng | China national standards | MT | 921.7 | USD | 20250906 |
| Shandong Qiangsen Chem | China national standards | MT | 1055.39 | USD | 20250906 |
| Shandong Langchem | China national standards | MT | 1170.78 | USD | 20250906 |