light truss system 1,16degree hardness,290*290mm 2,good stability,lightweight 3,TUV light truss system 4,light truss factory hot sale light truss system the parameter of on sale aluminum lighting truss : Item No ACE A2929Product name spigot 6082/T6 aluminum truss chinaSize 290*290mmMaterial 6028T6 aluminumMain tube 50*3mmThickness 3mmHardness 16 degreeGuarantee 3 yearsMax loading 1100kg Available ...