1.The metal rack, made of high-grade steel, with electrostatic spray finish, is solid in construction and anti-rust in apperance. 2.It is easy to assemble and dismantle,widely used in warehouse, supermarket, wholesale center and department stores. 3.The racking system is connected with the plates and angle steel through the pins and special screws. The shelf, with one main shelf and other attached shelves, is the most cost-effective, practical, economical choice for your goods display.