... or nailed.Adjustable specification and shape,very flexible.2.Products discard the disadvantages of wood,likechapping,distortion and color ... to reduce the costs,givecustomers mor chioces.4.The products has the fire protection,the waterproofing,the corrosion resistance, ... 6.Produces the quality firmly,the quantity light,the heat preservation,the surface is smooth,does notcontain the formaldehyde and ...