| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1158.37 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1247.37 | USD | 20251128 |
| Shandong Aite Chem | China national standards | MT | 1158.54 | USD | 20251127 |
| Shandong Yeyang Chem | China national standards | MT | 1271.56 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1247.55 | USD | 20251127 |
| Shandong Junfeng | China national standards | MT | 1130.28 | USD | 20251127 |
| Shandong Mingyu | China national standards | MT | 1130.28 | USD | 20251127 |
| Shandong Aite Chem | China national standards | MT | 1158.26 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1247.25 | USD | 20251126 |
| Shandong Mingyu | China national standards | MT | 1130.01 | USD | 20251126 |