| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Qidi Chem | China national standards | MT | 960.94 | USD | 20251208 |
| WENTONG Potassium | China national standards | MT | 1130.52 | USD | 20251208 |
| Hunan Lixin Tech | China national standards | MT | 1073.99 | USD | 20251208 |
| WENTONG Potassium | China national standards | MT | 932.68 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Jinan Aochen Chem | China national standards | MT | 1130.52 | USD | 20251208 |
| Liao Jinxinda | China national standards | MT | 876.15 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 987.79 | USD | 20251208 |