| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hualu | China national standards | MT | 321.92 | USD | 20251125 |
| Shandong Shuntian Chem | China national standards | MT | 338.86 | USD | 20251125 |
| Nantong Zhonghe Chem | China national standards | MT | 389.69 | USD | 20251125 |
| Shandong Yuxuan Chem | China national standards | MT | 352.98 | USD | 20251125 |
| Shandong Hualu | China national standards | MT | 321.92 | USD | 20251125 |
| Shandong Shuntian Chem | China national standards | MT | 338.76 | USD | 20251124 |
| Shijiazhuang Baipo Chem | China national standards | MT | 337.35 | USD | 20251124 |
| Shandong Yuxuan Chem | China national standards | MT | 352.87 | USD | 20251124 |
| Shandong Yuxuan Chem | China national standards | MT | 352.87 | USD | 20251124 |
| Shandong Hualu | China national standards | MT | 321.82 | USD | 20251124 |