| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1170.05 | USD | 20250827 |
| Shandong Langchem | China national standards | MT | 1209.43 | USD | 20250827 |
| Shandong Langchem | China national standards | MT | 1209.43 | USD | 20250827 |
| Shandong Jinwen Chem | China national standards | MT | 1209.43 | USD | 20250827 |
| Shandong Junfeng | China national standards | MT | 1194.02 | USD | 20250826 |
| Qingdao Shengze Chem | China national standards | MT | 1011.41 | USD | 20250826 |
| Shandong Xingpeng Chem | China national standards | MT | 1081.64 | USD | 20250826 |
| Shandong Huize Chem | China national standards | MT | 1043.72 | USD | 20250826 |
| Shandong Xima | China national standards | MT | 955.22 | USD | 20250826 |
| Shandong Jinwen Chem | China national standards | MT | 1208.07 | USD | 20250826 |