... Our competitive price and high quality have got customers from all over the word.Applications: Steel workshop/warehouse/shed, ... ,Office buildings, Garage,Hanger,Agricultral storage,Logistic centers,and all kinds of steel materials.,etc.Specifications:Main Steel: Q345B, ... The envelop construction net is made of cold form C-style purlins.5. Bracing System: Square Hollow Section and Circular Hollow ...