| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 353.16 | USD | 20251129 |
| Shanghai Huayi | China national standards | MT | 423.79 | USD | 20251129 |
| Shandong Hualu | China national standards | MT | 409.67 | USD | 20251129 |
| Shandong Xingpeng Chem | China national standards | MT | 324.91 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 388.48 | USD | 20251129 |
| Shandong Xingpeng Chem | China national standards | MT | 324.91 | USD | 20251129 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 593.31 | USD | 20251129 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 536.81 | USD | 20251129 |
| Hebei Pengfa Chem | China national standards | MT | 329.15 | USD | 20251129 |
| Henan Longyu | China national standards | MT | 303.72 | USD | 20251129 |