| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1173.4 | USD | 20250825 |
| Shandong Junfeng | China national standards | MT | 1194.47 | USD | 20250825 |
| Shandong Junfeng | China national standards | MT | 1194.47 | USD | 20250825 |
| Shandong Jinwen Chem | China national standards | MT | 1208.53 | USD | 20250825 |
| Shandong Xima | China national standards | MT | 955.58 | USD | 20250825 |
| Shandong Qiangsen Chem | China national standards | MT | 983.68 | USD | 20250825 |
| Aite Zhejiang | China national standards | MT | 1124.21 | USD | 20250825 |
| Shandong Xingpeng Chem | China national standards | MT | 1051.58 | USD | 20250824 |
| Shandong Langchem | China national standards | MT | 1170.76 | USD | 20250823 |
| Shandong Langchem | China national standards | MT | 1205.82 | USD | 20250823 |