| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Chem | China national standards | MT | 989.2 | USD | 20251208 |
| Xiangyang Youdeshi Chem | China national standards | MT | 989.2 | USD | 20251208 |
| WENTONG Potassium | China national standards | MT | 960.94 | USD | 20251208 |
| Shandong Yuanhe Chem | China national standards | MT | 960.94 | USD | 20251208 |
| Jinan Aochen Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| WENTONG Potassium | China national standards | MT | 1130.52 | USD | 20251208 |
| Changzhou Qidi Chem | China national standards | MT | 960.94 | USD | 20251208 |
| Hunan Lixin Tech | China national standards | MT | 1017.47 | USD | 20251208 |
| Guangzhou Pulanni Chem | China national standards | MT | 904.41 | USD | 20251208 |
| Jinan Aochen Chem | China national standards | MT | 1130.52 | USD | 20251208 |