We PRODN is one of the biggest manufacture which specialize in Intelligent inverter water pump, inverter controller and permanent magnet motor. Especially for our inverter pump,As a constant pressure pump, the variable speed drive maintains water pressure at a fixed point regardless of an increase or decrease in water demand for your household and commercial use. With the strong technology, we make all the hardware and software by ourself, it make the pump with the high quality and competitive price. Prodn Looking forward to building and possessing a wonderful future with you!