| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu | China national standards | MT | 303.87 | USD | 20251203 |
| Shandong Yaoming Chem | China national standards | MT | 303.87 | USD | 20251203 |
| Shandong Yaoming Chem | China national standards | MT | 325.07 | USD | 20251203 |
| Hebei Pengfa Chem | China national standards | MT | 329.31 | USD | 20251203 |
| Henan Longyu | China national standards | MT | 303.87 | USD | 20251203 |
| Shandong Zhiheng | China national standards | MT | 367.47 | USD | 20251203 |
| Shanghai Huayi | China national standards | MT | 424.0 | USD | 20251203 |
| Shandong Hualu | China national standards | MT | 395.74 | USD | 20251203 |
| Yankuang Guotai Chem | China national standards | MT | 381.6 | USD | 20251203 |
| Henan Longyu | China national standards | MT | 303.87 | USD | 20251203 |