Can fast isolation to guarantee workshop air quality no dust grade, has insulation, and insurance cold, and anti-insect, and wind, and dust, and noise, and fire, and anti-odor, and lighting, more items function, and widely for food, and chemical, and textile, and electronic, and supermarket, and frozen, and logistics, and warehouse, variety places, can very high of meet high performance logistics and the clean places, and save energy, high-speed automatically close, improve job efficiency