| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 325.02 | USD | 20251208 |
| Shanghai Huayi | China national standards | MT | 398.51 | USD | 20251208 |
| Henan Longyu | China national standards | MT | 303.83 | USD | 20251208 |
| Henan Longyu | China national standards | MT | 303.83 | USD | 20251208 |
| Shandong Yaoming Chem | China national standards | MT | 303.83 | USD | 20251208 |
| Yankuang Guotai Chem | China national standards | MT | 325.02 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 367.42 | USD | 20251208 |
| Henan Longyu | China national standards | MT | 303.83 | USD | 20251208 |
| Shandong Zhenkun | China national standards | MT | 395.68 | USD | 20251208 |
| Henan Longyu | China national standards | MT | 303.83 | USD | 20251208 |