... or nailed.Adjustable specification and shape,very flexible.2.Products discard the disadvantages of wood,like chapping,distortion and ... need to maintain regualarly.3.The special technology of products can deal with various specifications,sizes,shapes and thicknesses. ... to reduce the costs,givecustomers mor chioces.4.The products has the fire protection,the waterproofing,the corrosion resistance, ...