light truss system 1,16degree hardness,290*290mm 2,good stability, ... etcAvailable length of one piece for your choosing:1m,1.5m,2m,2.5m,3m,3.5m,4m ( It depends on your ... request)Advantages for our products:1. Aluminium material-durable ... for our costomersWhy you should choose our products: 1.Our company strictly in accordance with quality system requirements ...