| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1242.17 | USD | 20250918 |
| Jinan Pulaihua Chem | China national standards | MT | 1195.75 | USD | 20250918 |
| Jinan Pulaihua Chem | China national standards | MT | 1195.75 | USD | 20250918 |
| Shandong Aite Chem | China national standards | MT | 1153.55 | USD | 20250918 |
| Shandong Yeyang Chem | China national standards | MT | 1266.09 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 1242.17 | USD | 20250918 |
| Shandong Yeyang Chem | China national standards | MT | 1267.12 | USD | 20250916 |
| Shandong Yeyang Chem | China national standards | MT | 1267.12 | USD | 20250916 |
| Shandong Junfeng | China national standards | MT | 1126.33 | USD | 20250916 |
| Shandong Langchem | China national standards | MT | 1243.19 | USD | 20250916 |