It mainly has two types: conventional type and water wave type. It has the characteristics of heat insulation, sunshade, dust prevention, ventilation, comfort and coolness. Visually, it usually gives people a sense of simplicity and harmony, which makes people feel comfortable. The motorized Roman blinds system makes the complex Roman blinds lifting extremely simple, convenient and broad, which is often used in family rooms, hotels, cafes, villas, banquet halls and other places .