... trade show booth Specification1.material:upright extrusion,beam extrusion,tension lock.2.size:2m*4m3.warranty:3 years To our potential ... exhibition products,our products incuding upright extrusion,beam extrusion,tension lock for four kinds.trade show booth,standard exhibition booth,and truss ... our aluminium profiles are 2.0mm±0.1mm ,our tension lock have 3 years warranty with 200kgs load capacity. Any ...