| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Haixing Chem | China national standards | MT | 1271.29 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1175.24 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 1638.56 | USD | 20251202 |
| Shandong Mingyu | China national standards | MT | 1695.06 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 1638.56 | USD | 20251202 |
| Shandong Yuxuan Chem | China national standards | MT | 1822.19 | USD | 20251202 |
| Zibo Feiyuan Chem | China national standards | MT | 1553.8 | USD | 20251202 |
| Jiangsu Yingte Chem | China national standards | MT | 1144.16 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1130.04 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1130.04 | USD | 20251202 |