1,Beautiful appearance 2,reasonable structure, 3,firm and endurable. 4,sufficiency to use the space, Features:1. Components for frames and beams are made with mould-profile for good strength2. Simple structure3.beautiful appearance4.without any screw, installation and removal easy5.shelf to be adjusted up and down for the pitch 50mm.6. Movable label holder for easy storage7. Flexible accessories ...