| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Baipo Chem | China national standards | MT | 341.73 | USD | 20251117 |
| Shandong Shuntian Chem | China national standards | MT | 338.91 | USD | 20251117 |
| Shandong Hualu | China national standards | MT | 321.96 | USD | 20251117 |
| Shandong FUZE | China national standards | MT | 550.72 | USD | 20251117 |
| Shandong Hualu | China national standards | MT | 321.96 | USD | 20251117 |
| Shandong Yuxuan Chem | China national standards | MT | 338.91 | USD | 20251117 |
| Shandong FUZE | China national standards | MT | 550.65 | USD | 20251116 |
| Shandong Yuxuan Chem | China national standards | MT | 338.86 | USD | 20251115 |
| Shandong Yuxuan Chem | China national standards | MT | 338.86 | USD | 20251115 |
| Shijiazhuang Baipo Chem | China national standards | MT | 341.69 | USD | 20251114 |