XY projection screen is a world famous brand. The company operating a private cinema screens, a large cinema screen, large-scale project screen, electric projector lift racks and other world-quality products. The company's main product projection screen, projector screen is mainly used in home theater, office culture, education and other places, customers are welcome to come to counseling. By Material curtain fabric material is generally divided into categories (including PVC) and metal, the following highlights the most widely used class of textile. Textile species generally divided white screen and gray screen. White screen was divided into low gain of white plastic (Matte White) and high gain spheres (Glass Beaded) two categories. To better understand the following, let us first understand the impact of the gain on the image. 2013 projection screen which company is good? , XY SCREEN screen projection screen set up production plants in China - Guangzhou-Yun audio-visual equipment, base set up in Guangzhou City, Guangdong Province, production of product categories are screen frame, curved screen frame, electric screen, folding screen projection screen, easy screen, large-scale projects, such as electric and projector hanger; curtain material including acoustically transparent screen projector screen ordering phone, 3D acoustically transparent screen, metal screen, high-definition screen soft, high-definition screen and other glass. Color perception and hearing, smell, taste, etc. are the same as human senses induction generated by external stimuli. After the light reflected by the object or projection projector screen instructions to stimulate the human eye, the eye produces the brightness and color of the object of sensory information, and this information is transmitted to the brain center, in sensory information processing in the brain, so he formed color perception, people will be able to get the brightness of the color category, color purity degree of information for this object. France xy projection screen | male cloud audiovisual equipment (certified) | Dongguan projection screen provided by the Guangzhou-Yun audio-visual equipment. Guangzhou-Yun audio-visual equipment, Ltd. (www.xy-screen.com) is Guangzhou, film screenings leader in equipment over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Male leadership in cloud audiovisual equipment with the staff warmly welcome all inquiries negotiations to create audio-visual equipment cloud hung a better future.