| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu | China national standards | MT | 302.37 | USD | 20250922 |
| Henan Longyu | China national standards | MT | 302.37 | USD | 20250922 |
| Henan Longyu | China national standards | MT | 302.37 | USD | 20250922 |
| Changzhou Yihan Chem | China national standards | MT | 393.78 | USD | 20250922 |
| Changzhou Yihan Chem | China national standards | MT | 393.78 | USD | 20250922 |
| Henan Longyu | China national standards | MT | 302.37 | USD | 20250922 |
| Hebei Pengfa Chem | China national standards | MT | 329.09 | USD | 20250922 |
| Henan Longyu | China national standards | MT | 302.37 | USD | 20250922 |
| Hebei Pengfa Chem | China national standards | MT | 341.74 | USD | 20250922 |
| Shandong Hualu | China national standards | MT | 407.84 | USD | 20250922 |