... High-qualified material 3.professional engineer designs. 1) Project name: steel structure warehousea. Component: H-Column, H-Beam & C/Z ... good to inform us the followings:a. The function of the building.b. The drawings or the pictures c. Size for the building: Length, width, ... .Widly used in construction site, office building,prefabricated house The project steel structure warehouse under construction