| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1157.13 | USD | 20251106 |
| Shandong Junfeng | China national standards | MT | 1128.91 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1245.4 | USD | 20251105 |
| Shandong Mingyu | China national standards | MT | 1128.33 | USD | 20251105 |
| Shandong Junfeng | China national standards | MT | 1128.33 | USD | 20251105 |
| Shandong Aite Chem | China national standards | MT | 1156.54 | USD | 20251105 |
| Shandong Yeyang Chem | China national standards | MT | 1269.38 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1245.68 | USD | 20251104 |
| Shandong Yeyang Chem | China national standards | MT | 1269.66 | USD | 20251104 |
| Shandong Junfeng | China national standards | MT | 1128.59 | USD | 20251104 |