◇ Alu. alloy loading and guiding system and swing micro sliding plug operator are integreated as a simple, reliable and light operator featuring low movement resistance, small volume, stable movement and long service life;

◇ The lower guide rail ensures obstacle-free entry and exit, under the State Invention Patent;

◇ The lower guide rail free of barrier with State Invention Patent ensures the passengers of obstacle free exit and entry;

◇ The door leaf manufactured using aluminium honeycomb sandwich structure provides light weight, high strength, good sound and heat insulation.