| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1181.33 | USD | 20250922 |
| Dongying Lianchem | China national standards | MT | 1170.08 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1170.08 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1170.08 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1167.27 | USD | 20250922 |
| Shandong Junfeng | China national standards | MT | 914.13 | USD | 20250922 |
| Shandong Junfeng | China national standards | MT | 921.16 | USD | 20250922 |
| JS Yangnong Chem | China national standards | MT | 850.84 | USD | 20250922 |
| Shandong Yeyang Chem | China national standards | MT | 1139.14 | USD | 20250922 |
| Shandong Yeyang Chem | China national standards | MT | 1146.18 | USD | 20250922 |