1.EPS PU rockwool,metal. 2. cheap, economical building material 3.used for dorm, office, warehouse, fence, factory,workshop Effective WidthWall panel: 950mm 1150mm ... , beverage, vegetable preserving, large cold storage, etc for interior decoration. cheap EPS PU rockwool color coated steel plate Sandwich Panel colourbond for roof wall fence prefab ...