close contact with the ground stacked caster, hinge part fixed, smaller size, can move. open unlock snap open the hinge, in a horizontal, height adjustment, if necessary, pull out the legs on both sides of the bolt and the middle stage 0.6 m legs open, legs adjust to the specified location, then insert bolts, height on a flat surface, placed in sequence, that can be used. to build quick and easy removal of the scene can be set up to allow free space the size of the stage or t-units. stage can also be arranged as needed to build the podium. fold after the stage to promote, free access to elevators, doorways. the arena for indoor and outdoor stage performances, product promotion activities and guesthouses temporary podium