| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu | China national standards | MT | 332.16 | USD | 20251206 |
| Shandong Zhenkun | China national standards | MT | 395.77 | USD | 20251206 |
| Chengdu Rongjiaxin Chem | Industrial Grade | MT | 537.11 | USD | 20251206 |
| Shandong Hualu | China national standards | MT | 424.03 | USD | 20251206 |
| Shandong Xingpeng Chem | China national standards | MT | 325.09 | USD | 20251206 |
| Henan Longyu | China national standards | MT | 303.89 | USD | 20251206 |
| Hebei Pengfa Chem | China national standards | MT | 329.33 | USD | 20251206 |
| Shandong Xingpeng Chem | China national standards | MT | 325.09 | USD | 20251206 |
| Shandong Hualu | China national standards | MT | 296.82 | USD | 20251206 |
| Shandong Xingpeng Chem | China national standards | MT | 325.09 | USD | 20251206 |