| Vendor | Spec | Unit | Price | Currency | Date |
| Yancheng SUPER Chem | China national standards | MT | 929.73 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 904.3 | USD | 20251209 |
| Shandong Jinwen Chem | China national standards | MT | 904.3 | USD | 20251209 |
| Chengdu Rongjiaxin Chem | Industrial Grade | MT | 1483.62 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 791.26 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 777.13 | USD | 20251209 |
| Jinan Angxin Chem | China national standards | MT | 734.74 | USD | 20251209 |
| Jinan Angxin Chem | China national standards | MT | 720.61 | USD | 20251209 |
| Shandong Yihe Chem | China national standards | MT | 755.94 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 791.26 | USD | 20251209 |