Interior Space and Exhibition Design Demonstration unit 01 in Changsha Interior Design by Martin chow The newly finished demonstration unit incorporates a showroom, gallery, designer's workshop, meeting area, bar, brain-storming balcony, washroom and fitting room within the limited space and budget. As the display clothes and accessories are the focus of the interiors, therefore basic materials like concreate wall finish, stianless steel, timber flooring etc were applied to highlight the display items. Modern and elegant atmosphere were designed to upgrade the value of property.