CE certified buildings need to do product range currently required to do compulsory CE certified building product variety. There are all kinds of metal building metal structures, welding, profiles, pipes and so on; there are non-metallic, windows, sanitary supplies, building waterproofing membrane, geotextile products, sealants, various adhesives, artificial wood panels, glass, cement, gravel, concrete admixtures, gypsum board, curtain wall, profile, foam concrete, and other concrete slab construction, asphalt, filling materials, artificial stone and so on.