| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 717.02 | USD | 20250919 |
| Shanghai Ronghe Chem | China national standards | MT | 801.37 | USD | 20250919 |
| Shandong Jinwen Chem | China national standards | MT | 850.58 | USD | 20250919 |
| Shandong Jinwen Chem | China national standards | MT | 850.58 | USD | 20250919 |
| Shandong Hanyue Chem | China national standards | MT | 759.19 | USD | 20250919 |
| Shandong Hanyue Chem | China national standards | MT | 759.19 | USD | 20250919 |
| Shandong Hanyue Chem | China national standards | MT | 759.19 | USD | 20250919 |
| Shandong Hanyue Chem | China national standards | MT | 759.19 | USD | 20250919 |
| Shandong Langchem | China national standards | MT | 885.73 | USD | 20250919 |
| Shandong Fusheng | China national standards | MT | 787.31 | USD | 20250919 |