Welcome to our factory! Our signature product, the Big volume Series Q Cross flow Air Curtain, is the perfect addition to any building. This energy efficient device creates a powerful air barrier that eliminates temperature and humidity transfer, and prevents dust, insects, and odors from entering through open doors. The Q Cross flow Air Curtain has a sleek design that seamlessly blends into any environment, and is perfect for commercial and industrial settings, including malls, hospitals, hotels, supermarkets, and factories. Our team of designers and engineers has worked tirelessly to create the most effective and reliable air curtain on the market, and we're confident that you'll be satisfied with the results. Contact us today to learn more about our products and prices!