| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium | China national standards | MT | 1058.95 | USD | 20251114 |
| Hubei 789 Chem | China national standards | MT | 776.56 | USD | 20251114 |
| Xiamen Yudeshun Chem | China national standards | MT | 1270.74 | USD | 20251114 |
| Hunan Lixin Tech | China national standards | MT | 1016.59 | USD | 20251114 |
| Shanghai SKY Chem | China national standards | MT | 1066.01 | USD | 20251114 |
| Jinan Jinrihe Chem | China national standards | MT | 910.7 | USD | 20251114 |
| Jinan Jinrihe Chem | China national standards | MT | 945.99 | USD | 20251114 |
| Jinan Jinrihe Chem | China national standards | MT | 903.64 | USD | 20251114 |
| Jinan Jinrihe Chem | China national standards | MT | 903.64 | USD | 20251114 |
| Changzhou Qidi Chem | China national standards | MT | 960.11 | USD | 20251114 |