| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 926.63 | USD | 20251211 |
| JS Yangnong Chem | China national standards | MT | 855.9 | USD | 20251211 |
| Shandong Junfeng | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 1145.91 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 1152.99 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1174.21 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1174.21 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1188.35 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1177.04 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1177.04 | USD | 20251211 |