... TUV CE certificated qui 1)Main information of the aluminum adjustable stage with stairs Item No.MY LSize1.22*1.22m ... m thickness aluminum alloy stage frame, 18mm thickness plywood, horizontal rod, vertical rod, inclined rod, adjustable base, adjustable tube.plexiglass stage4)Stage board ... thickness of aluminum stage frame,2.height can adjust 0.6m-1m/ 0.8m-1.2m, which is adjustable flexibly.3.fire ...