... system, which is formed by the main steel framework linking up H-section, Z-section, and U-section steel components, roof ... PanelRoof: color steel corrugated tile, glazed tile, sandwich roof panel or asphalt tileWindow: UPVC or aluminum window Door: compound ... Ceiling: calcium silicate ceiling, PVC ceiling Wall Deco: paint, WPC panel, Ceramic, etcAccessories: rivet, screw, glue, etcVeranda, Garage and ...