| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 390.09 | USD | 20251210 |
| Shandong Hualu | China national standards | MT | 374.54 | USD | 20251210 |
| Shandong Yuxuan Chem | China national standards | MT | 353.34 | USD | 20251210 |
| Shandong Luxi Chem | China national standards | MT | 551.06 | USD | 20251209 |
| Shandong Yuxuan Chem | China national standards | MT | 353.24 | USD | 20251209 |
| Shandong Hualu | China national standards | MT | 322.16 | USD | 20251209 |
| Shandong Yuxuan Chem | China national standards | MT | 353.24 | USD | 20251209 |
| Shijiazhuang Baipo Chem | China national standards | MT | 339.11 | USD | 20251209 |
| Nantong Zhonghe Chem | China national standards | MT | 389.98 | USD | 20251209 |
| Shandong Hualu | China national standards | MT | 371.61 | USD | 20251209 |