door operator VVVF Elevator door system 1,The hanger is fulfillment of GB7588-2003. 2,without limit switch 3,Drived by belt .low noise 4,Strong resistance of electromagnetic interference 5,Net door opening width:600mm-1800mm 6,Applicable sill width:55mm/60mm Our company also produce other type of elevator door systems, selcom,mitsubishi,fermator………and elevator parts , selcom elevator parts, fermator parts. You can review our company, further information please feel free to contact me