| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Jinling Chem | China national standards | MT | 1027.86 | USD | 20251014 |
| Shandong Junfeng | China national standards | MT | 1196.83 | USD | 20251014 |
| Befar | China national standards | MT | 887.06 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1175.71 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1196.83 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1171.48 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1210.91 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1210.91 | USD | 20251014 |
| Wanhua Chem | China national standards | MT | 1337.63 | USD | 20251014 |