... truss1.turss specificationTruss section specification(L*W): mm= millimeter (1)220mm*220mm main tube:(diameter*thickness):30mm*2mmdiagonal tube:(diameter ... W:8 to 20 kgsCertification:TUV ISO9001:2008Warranty time: 1 yearProduction lead time:10-15daysPacking:air bubble film,carton,or ... custom Feature of the truss1.non-rust,firepoof,hardwearing,light weight ,high load capacity.2.eco- ...