| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 717.75 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 717.75 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 717.75 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 886.64 | USD | 20250930 |
| Shandong Laya Chem | China national standards | MT | 745.9 | USD | 20250930 |
| Shandong Fusheng | China national standards | MT | 788.12 | USD | 20250930 |
| Ningbo Zhetie Chem | China national standards | MT | 787.74 | USD | 20250929 |
| Zibo Lishuo Chem | China national standards | MT | 815.88 | USD | 20250929 |
| Zibo Lishuo Chem | China national standards | MT | 815.88 | USD | 20250929 |
| Zibo Lishuo Chem | China national standards | MT | 815.88 | USD | 20250929 |