| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Baipo Chem | China national standards | MT | 341.46 | USD | 20251119 |
| Shandong Yuxuan Chem | China national standards | MT | 352.75 | USD | 20251119 |
| Shandong Yuxuan Chem | China national standards | MT | 352.75 | USD | 20251119 |
| Shandong Hualu | China national standards | MT | 361.21 | USD | 20251119 |
| Shandong Shuntian Chem | China national standards | MT | 338.64 | USD | 20251119 |
| Shandong Hualu | China national standards | MT | 321.71 | USD | 20251119 |
| Nantong Zhonghe Chem | China national standards | MT | 389.43 | USD | 20251119 |
| Shandong Yuxuan Chem | China national standards | MT | 352.83 | USD | 20251118 |
| Shandong Hualu | China national standards | MT | 321.78 | USD | 20251118 |
| Nantong Zhonghe Chem | China national standards | MT | 389.52 | USD | 20251118 |