| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1128.91 | USD | 20251106 |
| Shandong Junfeng | China national standards | MT | 917.24 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1174.06 | USD | 20251106 |
| Shandong Yihe Chem | China national standards | MT | 1622.8 | USD | 20251106 |
| Jinan Aochen Chem | China national standards | MT | 1354.69 | USD | 20251106 |
| JS Yangnong Chem | China national standards | MT | 853.74 | USD | 20251106 |
| Shandong Junfeng | China national standards | MT | 924.29 | USD | 20251106 |
| Aite Zhejiang | China national standards | MT | 1270.02 | USD | 20251106 |
| Shandong Yihe Chem | China national standards | MT | 1622.8 | USD | 20251106 |
| Shandong Yeyang Chem | China national standards | MT | 1150.07 | USD | 20251106 |