| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hualu | China national standards | MT | 324.98 | USD | 20251209 |
| Shandong Jiaen Chem | China national standards | MT | 402.7 | USD | 20251209 |
| Henan Longyu | China national standards | MT | 303.79 | USD | 20251209 |
| Henan Longyu | China national standards | MT | 303.79 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 388.57 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 353.24 | USD | 20251209 |
| Shandong Zhenkun | China national standards | MT | 395.63 | USD | 20251209 |
| Henan Longyu | China national standards | MT | 303.79 | USD | 20251209 |
| Shandong Hualu | China national standards | MT | 409.76 | USD | 20251209 |
| Shandong Hualu | China national standards | MT | 423.89 | USD | 20251209 |