Founded in the United States in 1860, it is the first brand of "monopoly" level in the flooring industry in the United States, and a global leader in the manufacture and market of civil and commercial flooring products. For many years, it has been approved by Floor Focus, a professional flooring media in the United States, and has been ranked among the best in terms of quality, performance, design, service and cost performance, and has been ranked first in various evaluations such as popularity, acceptance, and comprehensive quality for many years. As of 2007, Armstrong had $3.5 billion in global sales, with the U.S. market accounting for 34 percent, with hardwood flooring accounting for more than twice the market share of the second to sixth places combined. In 2010, it was stationed in 20 core venues of the Shanghai World Expo. Armstrong hardwood flooring is expensive and suitable for high-income people.