| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chengshuo Chem | China national standards | MT | 1085.21 | USD | 20251022 |
| Shandong Yuanhe Chem | China national standards | MT | 958.37 | USD | 20251022 |
| WENTONG Potassium | China national standards | MT | 986.55 | USD | 20251022 |
| Shandong Yuanhe Chem | China national standards | MT | 986.55 | USD | 20251022 |
| Jinan Aochen Chem | China national standards | MT | 1099.3 | USD | 20251022 |
| Jinan Aochen Chem | China national standards | MT | 1127.49 | USD | 20251022 |
| Jinan Aochen Chem | China national standards | MT | 1127.49 | USD | 20251022 |
| Jinan Aochen Chem | China national standards | MT | 1127.49 | USD | 20251022 |
| WENTONG Potassium | China national standards | MT | 1127.49 | USD | 20251022 |
| Shandong Longhui Chem | China national standards | MT | 1042.93 | USD | 20251022 |