... VVVF Elevator door system1,The hanger is fulfillment of GB7588-2003. 2,without limit switch3,Drived by belt .low noise4 ... ,Strong resistance of electromagnetic interference5,Net door opening width:600mm-1800mm6,Applicable ... width:55mm/60mmOur company also produce other type of elevator door systems, selcom,mitsubishi,fermator………and elevator parts , selcom ...