High head submersible sewage pumps is suitable for extracting groundwater from deep wells and mines, and low flow high head submersible sewage pumps can be used for gold mines, silver mines, iron mines, coal mines, and construction site drainage. (The flow rate can reach 50 tons per hour, and the lift can reach 1500 meters).1. The submerged sludge pump is thick and short in design, large in...