... of boardPlywood(2) COMPOSITION OF THE PORTABLE STAGE 3m thickness aluminum alloy stage frame, 18mm thickness plywood, horizontal rod, ... vertical rod, inclined rod, adjustable base, adjustable tube.(3)STAGE BOARD MATERIAL: plywood, organic glass, tempering glass, plexiglass acrylic ... machine is the base facility, and excellent designer to perfect the stage system.3.OEM, reasonable price 4.Fast ...