| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Yisheng | China national standards | MT | 1264.74 | USD | 20250825 |
| Qingdao Shengze Chem | China national standards | MT | 1011.79 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1096.11 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1096.11 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1075.03 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1250.69 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1278.79 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1103.13 | USD | 20250825 |
| Shandong Fusheng | China national standards | MT | 1124.21 | USD | 20250825 |
| Shandong Fusheng | China national standards | MT | 1053.95 | USD | 20250825 |