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1. Traction elevator: Traction type has more mature skills, wider application range, less noise and smoother operation. The traction type has visiting and non-visiting types. house elevator，If the space scale is compared with the visiting type, on the one hand, the lighting is good, and on the other hand, it will not feel depressed.
2. Screw elevator: the bottom pit only needs 5mm, the special structure makes the screw elevator not appear weightless, and the top floor requirements are relatively low.
3. Hydraulic elevator: The hydraulic elevator has low civil construction requirements and shallow pit, but the constraint of the hydraulic elevator is the phenomenon of oil leakage. If it is installed indoors, it will have a great impact.
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