7th Grade "Dayuan" submersible Pump series in Stainless Steel Pump Body    
1. Optimized structure, Less Motor Temperature rising    
2. All parts in corrosion resisting materials, Total Pump corrosion resisting ability stronger    
3. Newly designed patented seal structure, excellent sealability, Leakproofness    
4. Design considering sewage water pumping, can be applied in mild sewage water,    
5. VTI Product energy-saving Certificate, high efficiency, Economically in long-time using