Engineered wooden flooring not only has the strongpoint such as natural and beautiful, comfortable foot feeling, good heat-preservation capability which similar to solid flooring but also conquers the deficiencies of solid wooden flooring such as warp & deformation, crack and not stability because of timber¡¯s contraction. The engineered flooring¡¯s kind is ascertained by the kind of the top-layer¡¯s timber.