| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkanda Chem | China national standards | MT | 1075.03 | USD | 20250825 |
| Shandong Mengkanda Chem | China national standards | MT | 1075.03 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1169.18 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1169.18 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1180.42 | USD | 20250825 |
| Dongying Lianchem | China national standards | MT | 1169.18 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1169.18 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 1166.37 | USD | 20250825 |
| Shandong Junfeng | China national standards | MT | 913.42 | USD | 20250825 |
| Shandong Junfeng | China national standards | MT | 913.42 | USD | 20250825 |