| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1255.91 | USD | 20251106 |
| Shandong Yihe Chem | China national standards | MT | 987.79 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1213.58 | USD | 20251106 |
| Shandong Aite Chem | China national standards | MT | 1481.69 | USD | 20251106 |
| Shandong Qiangsen Chem | China national standards | MT | 1114.8 | USD | 20251106 |
| Shandong Xima | China national standards | MT | 917.24 | USD | 20251106 |
| Shandong Zhenkun | China national standards | MT | 999.08 | USD | 20251106 |
| Shandong Lifuda | China national standards | MT | 1072.46 | USD | 20251106 |
| Shandong Jinling Chem | China national standards | MT | 1072.46 | USD | 20251106 |
| Shandong Laya Chem | China national standards | MT | 973.68 | USD | 20251106 |