NGT System – Telescopic Doors The ADIS research and design team has developed the NG series of door equipment to ensure maximum performance, durability, reliability combined with compatibility with the new Australian Standard AS 5007-2007 DIN 18650-1:2005. ADIS’s Telescopic Doors are Australian made and designed to give maximum possible door opening. The series are also … Continue reading NGT SYSTEM TELESCOPIC DOORS