SN220*220
length: from 0.5m to 1m
shape:square/ triangle / ladder
specifitation:main tube32mm*2mm brace tube:10mm*2mm

SN220*220
length: from 0.5m to 3m
shape:square/ triangle / ladder
specifitation:main tube32mm*2mm  brace tube:10mm*2mm

advantage:

being light,which is easy for carrying

being delicate, which acts as good decorative truss

connected by spigot, which is labor-saving and time-saving