QS

Elevators; Escalators; Dumbwaiter elevators; Moving walkways; Conveyer belts; Elevator landing doors; Elevator landing doors with smoke-tight function; Drive systems, namely, traction machines for elevators, escalators, dumbwaiter elevators, moving walkways, and conveyer belts; Starters for motors and engines; Alternative current motors and direct current motors not for use with land vehicles; replacement parts and structural parts for alternative current motors and direct current motors