| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1280.66 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1104.75 | USD | 20250924 |
| Shandong Fusheng | China national standards | MT | 1125.86 | USD | 20250924 |
| Shandong Fusheng | China national standards | MT | 1055.49 | USD | 20250924 |
| Shandong Hongyang Chem | China national standards | MT | 1125.86 | USD | 20250924 |
| Shandong Hongyang Chem | China national standards | MT | 1125.86 | USD | 20250924 |
| Shandong Zhiheng | China national standards | MT | 1252.52 | USD | 20250924 |
| Jinan Aochen Chem | China national standards | MT | 1308.81 | USD | 20250923 |
| Jinan Aochen Chem | China national standards | MT | 1308.81 | USD | 20250923 |
| Shandong Yushuo Chem | China national standards | MT | 985.12 | USD | 20250923 |