Brief introduction to Distribution Box: There are two color steel sheets on both sides of the heat reserve panel (sandwich panel) , the core material is ( XPS,PU) , the thickness is about 25mm, the whole panel only need to stick once , then complete, the whole panel is strong enough; There are many kinds of hole reserve for the installed equipment, the position of the hole is accurate. The width of the panel would be more than 1200mm, it is not limited by the width of the color steel sheets; the two sides of the floor adopt color steel sheet, there is 30mm plywood in the middle, could bear the weight of the equipments in the box.