SWL worm gear screw lift is a basic lifting component, with compact structure, small size, light weight, wide power source, no noise, easy installation, flexible use, multiple functions, multiple matching forms, high reliability, and long service life And many advantages.It can be used alone or in combination, and can accurately control and adjust the height of lifting or propulsion according to a certain procedure. It can be directly driven by a motor or other power, or manually.It has different structural forms and assembly forms, and the lifting height can be customized according to user requirements.