| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 389.52 | USD | 20251118 |
| Shandong Hualu | China national standards | MT | 366.94 | USD | 20251118 |
| Shandong Shuntian Chem | China national standards | MT | 338.72 | USD | 20251118 |
| Shandong Yuxuan Chem | China national standards | MT | 352.83 | USD | 20251118 |
| Shandong Hualu | China national standards | MT | 321.78 | USD | 20251118 |
| Shijiazhuang Baipo Chem | China national standards | MT | 341.54 | USD | 20251118 |
| Shandong Yuxuan Chem | China national standards | MT | 352.83 | USD | 20251118 |
| Nantong Zhonghe Chem | China national standards | MT | 389.74 | USD | 20251117 |
| Shandong Hualu | China national standards | MT | 367.15 | USD | 20251117 |
| Shandong Yuxuan Chem | China national standards | MT | 338.91 | USD | 20251117 |