... quality deep stretch ciol steel,which is punched,spot-welded and coated by epoxy powder.The panel is filled with foamed ... the floor freely.More flexible wiring which can segrate the strong and weak current,simplify the equipment maintainance,save the building space ... .4.High dimension accuracy,excellent interchangeablity,easy to install,disassembly and maintain.5.The carpet can be put on the surface ...