| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1147.45 | USD | 20250916 |
| Shandong Yeyang Chem | China national standards | MT | 1140.41 | USD | 20250916 |
| Shandong Yeyang Chem | China national standards | MT | 1140.41 | USD | 20250916 |
| Shandong Yeyang Chem | China national standards | MT | 1147.45 | USD | 20250916 |
| Shandong Junfeng | China national standards | MT | 922.18 | USD | 20250916 |
| Shandong Junfeng | China national standards | MT | 915.14 | USD | 20250916 |
| Shandong Langchem | China national standards | MT | 1168.57 | USD | 20250916 |
| Shandong Langchem | China national standards | MT | 1171.39 | USD | 20250916 |
| Dongying Lianchem | China national standards | MT | 1171.39 | USD | 20250916 |
| Shandong Langchem | China national standards | MT | 1182.65 | USD | 20250916 |