| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 390.08 | USD | 20251203 |
| Shandong Hualu | China national standards | MT | 322.24 | USD | 20251203 |
| Shijiazhuang Baipo Chem | China national standards | MT | 340.62 | USD | 20251203 |
| Shandong Yuxuan Chem | China national standards | MT | 353.34 | USD | 20251203 |
| Shandong Shuntian Chem | China national standards | MT | 346.27 | USD | 20251203 |
| Shandong Yuxuan Chem | China national standards | MT | 353.14 | USD | 20251202 |
| Shandong Hualu | China national standards | MT | 322.06 | USD | 20251202 |
| Shijiazhuang Baipo Chem | China national standards | MT | 344.66 | USD | 20251202 |
| Shandong Yuxuan Chem | China national standards | MT | 353.14 | USD | 20251202 |
| Shandong Hualu | China national standards | MT | 378.56 | USD | 20251202 |