| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu | China national standards | MT | 303.83 | USD | 20251208 |
| Changzhou Qidi Chem | China national standards | MT | 325.02 | USD | 20251208 |
| Shandong Zhenkun | China national standards | MT | 395.68 | USD | 20251208 |
| Hebei Pengfa Chem | China national standards | MT | 329.26 | USD | 20251208 |
| Shandong Xingpeng Chem | China national standards | MT | 325.02 | USD | 20251208 |
| Hebei Pengfa Chem | China national standards | MT | 316.55 | USD | 20251208 |
| Henan Longyu | China national standards | MT | 303.83 | USD | 20251208 |
| Shandong Yaoming Chem | China national standards | MT | 325.02 | USD | 20251208 |
| Shandong Shuojia Chem | China national standards | MT | 346.22 | USD | 20251208 |
| Shandong Xingpeng Chem | China national standards | MT | 325.02 | USD | 20251208 |