The main scope is a high-tech company specializing in the R&D, production and sales of elevators, robots, and peripheral supporting automation equipment and products, intelligent manufacturing equipment and systems. It is also the leading brand of cleaning and fresh air equipment in the United States, Legend brands Hong Kong and Macao, introducing high-quality environmental control equipment, cleaning equipment and pharmaceuticals, and providing full after-sales service. Lifetime supply of accessories and free product guidance and advice.