| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 324.69 | USD | 20251108 |
| Shandong Yuxuan Chem | China national standards | MT | 324.69 | USD | 20251108 |
| Shandong Yuxuan Chem | China national standards | MT | 324.69 | USD | 20251107 |
| Shandong Yuxuan Chem | China national standards | MT | 324.69 | USD | 20251107 |
| Shandong Shuntian Chem | China national standards | MT | 317.64 | USD | 20251107 |
| Shandong Hualu | China national standards | MT | 338.81 | USD | 20251107 |
| Shijiazhuang Baipo Chem | China national standards | MT | 313.4 | USD | 20251107 |
| Nantong Zhonghe Chem | China national standards | MT | 389.63 | USD | 20251107 |
| Shandong Yuxuan Chem | China national standards | MT | 324.56 | USD | 20251106 |
| Nantong Zhonghe Chem | China national standards | MT | 389.47 | USD | 20251106 |