| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 707.35 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 756.87 | USD | 20251211 |
| Hubei 789 Chem | China national standards | MT | 778.09 | USD | 20251211 |
| Hubei 789 Chem | China national standards | MT | 778.09 | USD | 20251211 |
| Jinan Angxin Chem | China national standards | MT | 778.09 | USD | 20251211 |
| Hubei 789 Chem | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Shuojia Chem | China national standards | MT | 742.72 | USD | 20251211 |
| Hubei 789 Chem | Industrial Grade | MT | 919.56 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 749.79 | USD | 20251211 |
| Shandong Shuojia Chem | China national standards | MT | 756.87 | USD | 20251211 |