| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | China national standards | MT | 400.93 | USD | 20250918 |
| Hualu Holdings | China national standards | MT | 415.0 | USD | 20250918 |
| Henan Longyu | China national standards | MT | 302.45 | USD | 20250918 |
| Henan Longyu | China national standards | MT | 344.66 | USD | 20250918 |
| Henan Longyu | China national standards | MT | 302.45 | USD | 20250918 |
| Henan Longyu | China national standards | MT | 302.45 | USD | 20250918 |
| Henan Longyu | China national standards | MT | 302.45 | USD | 20250918 |
| Shandong Shuojia Chem | China national standards | MT | 337.62 | USD | 20250918 |
| Yankuang Guotai Chem | China national standards | MT | 337.62 | USD | 20250918 |
| Yankuang Guotai Chem | China national standards | MT | 337.62 | USD | 20250918 |