QJ deep well submerged pump unit is developed and manufactured cooperately by Wuxi City Qianzhou Zhongqiang Machinery Factory and foreign traders.All the components of the machine are made by this factory.The completed motor less than 22kw is of shielded waterfilled structure,which is made of welded stainless steel.The inside is full of non-toxic antirusting liguid,not polluting the environment and not resulting in corrosion.The motor's water-lubricated guid bearing and thrust bearing are both made of high quality stibium impregnated graphite.The performance is reliable and the pump is the ideal waterlifting equiment.The motor more than 22kw is of water-filled structure,with automatic micro-computer control device as its electric control panel.

　　The performance is reliable and stable.The water-lifting is automatic and does not need anynote to take care of it.As the same time it has protecting and indecating functions such as phase fault,overload,shortcurcuit,time delay and so on.