| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hualu | China national standards | MT | 381.39 | USD | 20251202 |
| Shandong Hualu | China national standards | MT | 381.39 | USD | 20251202 |
| Chizhou Xinyu Chem | China national standards | MT | 409.64 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 395.51 | USD | 20251202 |
| Shandong Zhenkun | China national standards | MT | 395.51 | USD | 20251202 |
| Shandong Hualu | China national standards | MT | 423.76 | USD | 20251202 |
| Nanjing Baitu Chem | China national standards | MT | 353.14 | USD | 20251202 |
| Yankuang Guotai Chem | China national standards | MT | 381.39 | USD | 20251202 |
| Shandong Zhenkun | China national standards | MT | 423.76 | USD | 20251202 |
| Shandong Yaoming Chem | China national standards | MT | 324.89 | USD | 20251202 |