plywood 12mm,16mm,18mm,20mm Standard:1200mm*2400mm*18mm plywood: used on the worktable, made of high quality wood, the sarface is smooth, wearable, etc.plywood :used on the worktable, synthesized high quality mateial at high temperature.,the surface is smooth , wearable and fire resistance.Stainless steel board/ stainless steel punching board: used on the worktable, moist and fire resistance, ...