стадион стул

stadium chairs, lecture room chairs 1.size: 520 * 300 * 760mm 2.material: steel frames, plywood 3.for stadium room, lecture room, conference room 4.customization 1.Specification: (500 520) * 300 * 760mm 2.Post: arc-shaped oval tube of 40 *80* 1.5mm 3.Seat support: oval tube of 30 * 90 * 1.5mm 4.Support iron of table-top: 2.0mm cold-rolled plate. 5.Backrest and seat: mutilayer birch plywood with fireproof board outside. 6.Thickness of seat and backrest: 10mm 7.Table-top board: multilayer board with width of 300mm and thickness of 18mm. 8.The second layer clapboard: 1.0mm meshed cold-rolled plate. 9.Automatic Reversal system with 12 excellent shock absorption pad inside. 10.Pedestal: cold-rolled plate of 2.0mm, fixed by plug bolt. 11.Steel part is chromeplated.