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. Since inception, we have always to screen material, optical and acoustic characteristics, and other aspects of constantly get to the bottom, have launched a number of leading technology for Transcend unique; each product Jiangxinduju advanced design, meticulous precision construction electric projection screen quotes, and incredible quality management. The company's main product projection screen, projector screen is mainly used in home theater, office stationery and other places cinema projection screen, customers are welcome to inquire. Gray screen also often referred to as "high-contrast screen." This is because the purpose is to improve the original design data projectors bright contrast in the auditorium of the environment. Its working principle is: the gray curtain of gray than white curtain coating absorbs more environmental interference stray light projection screen, so that the ambient light is reduced due to the interference becomes more black makes the black screen, and the picture of the white basic no loss well maintained, so that a direct result of the gap between the black and white contrast of the screen is increased, so as to improve the contrast of the object. 4, gray screen picture quality is not necessarily better than the white screen? 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. Pull the curtain to pull the curtain mobility is very high, for you can not install the curtain or friends often go out to do presentations. Frame screen frame screen is super fans favorite, does not appear like the other three installation types in use for some time, it would be more prone to wrinkles straight enough cases to provide a flat screen as a mirror. 100-inch projection screen _ male cloud audiovisual equipment (certified) _ Meizhou 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.