| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1623.47 | USD | 20251107 |
| Shandong Junfeng | China national standards | MT | 924.67 | USD | 20251107 |
| Shandong Junfeng | China national standards | MT | 917.61 | USD | 20251107 |
| Shandong Yuxuan Chem | China national standards | MT | 1835.23 | USD | 20251107 |
| Shandong Yihe Chem | China national standards | MT | 1623.47 | USD | 20251107 |
| Jiangsu Yingte Chem | China national standards | MT | 1143.49 | USD | 20251107 |
| Nantong Zhonghe Chem | China national standards | MT | 1792.87 | USD | 20251107 |
| Shandong Yuanhe Chem | China national standards | MT | 1270.54 | USD | 20251107 |
| Shandong Yushuo Chem | China national standards | MT | 1651.7 | USD | 20251107 |
| Shandong Haili Chem | China national standards | MT | 1750.52 | USD | 20251107 |