DC variable frequency water pump has the characteristics of long service life, low power consumption, low noise, balanced speed regulation, environmental protection and safety, reliable operation, no interference, energy saving and so on. It is widely used in automation equipment, water circulation, automobile circulation heat dissipation, small household appliances, medical devices, chemical industry, batteries, biopharmaceutical equipment, solar products, indoor and outdoor small fountains, Jacuzzi, swimming pool filtration, aquarium filtration system, battery heat dissipation system, automatic coffee machine, music fountain, aquarium, micro water landscape and other handicrafts, village water supply Pasture water supply, water supply in remote areas, household water supply, garden irrigation, mobile air conditioning equipment, refrigeration industrial equipment such as refrigerator, foot bathtub and fruit juice machine, automotive supplies, etc.