Stainless steel screw lift, SWL series worm screw lift is a basic lifting component that complies with JB/T8809-2010 (formerly JB/T8809-1998, JB/ZQ4391-86) standards. Carrying capacity of 2.5-120T. It has the advantages of compact structure, small volume, light weight, wide power source, low noise, easy installation, flexible use, multiple functions, multiple supporting forms, high reliability, and long service life