Hebei Dragon Construction Trading Co.,Ltd is a professional Expandable container house,folding container house,Cold rooms,steel structure buildings,steel fencing, wire mesh fencing,sandwich panel,floor decking sheet, steel purline etc. supplier from China,which have more than 15 years experience, We are engaged in the scientific research,designing, manufacturing, producing,sales,supplying and service of all kinds of steel structure buildings,cold rooms,container houses and related materials(roofing&wall sheets,sandwich panels, steel purlines, floor decking sheets etc.). Dragon Construction can design,offer and supply the whole solution of the steel buildings,cold rooms and container houses. For steel buildings, steel frame, the colorful sheet for wall and roof, windows&doors, ventilation system,skylight panel,overhead crane,etc. The steel building can be used for the car parking building, industrial workshop,warehouse,plant,storage, garage, supermarket, shopping mall, school, chicken farm shed, cow farm shed and so on.