We are the first automatic door seller and manufacture in China and the NO.1 brand in Asia. We have three factories in an area of over 150,000 square meters and more than 1000 employees in Beijing, Ningbo and Shenyang. Our production capacity is more than 30,000 sliding doors and 3,000 revolving doors per year. We have the most professional R & D engineers and more than 16 years of production, installation and service experiences. Our products include Automatic 2/3/4 wings Revolving door, Crystal door, Sliding door, Curved door, Hermetic door, Low power Swing door Operator, Train screen door, Turnstile door etc.. We have ISO, CE, UKAS, UL certificates etc., you could see our products in more than 40 countries.