| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 705.17 | USD | 20251120 |
| Jinan Angxin Chem | China national standards | MT | 789.79 | USD | 20251120 |
| Jinan Jinrihe Chem | China national standards | MT | 691.07 | USD | 20251120 |
| Shandong Fusheng | China national standards | MT | 705.17 | USD | 20251120 |
| Shandong Fusheng | China national standards | MT | 705.17 | USD | 20251120 |
| Shandong Fusheng | China national standards | MT | 747.48 | USD | 20251120 |
| Chizhou Xinyu Chem | China national standards | MT | 916.72 | USD | 20251120 |
| Yuxiang Poplar Chem | China national standards | MT | 959.03 | USD | 20251120 |
| Shandong Hanyue Chem | China national standards | MT | 733.38 | USD | 20251120 |
| Shandong Hanyue Chem | China national standards | MT | 733.38 | USD | 20251120 |