... efficient service to future hall calls.9.Car ventilation light & fan automatically shut offElevators can be installed with an energy saving ... gear,Oil buffer,Wheel,Guide wheel,Guide shoe,Pull burst,Fan,Lock.Bell.Rrope gripper, Door vane,Door slider,Oil pan ... chain,Roller of step &chain,Guide roller,Tachometer roller,V-Belt pulley,Handrail,Inlet cover,Inlet brush,Main drive station,Return station ...