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. Generally white plastic curtain gain is 1.0-1.5, are diffuse type, image comparison presented plain and faithful, but susceptible to interference environment and external light. Negative gain of white plastic addition to the general characteristics of white plastic outer 180-inch projection screen, a stronger anti-ambient light, allowing the image black bit more calm. 2013, XY SCREEN screen projection screen set up manufacturing plant 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, easy screen 150 inch projection screen prices, large-scale projects, such as electric and projector hanger; curtain material including acoustically transparent screen, 3D import acoustically transparent screen projection screen, metal screen, high-definition projection screen soft screen, high-definition screen and other glass . A lot of friends, players study summed up a formula, use this formula can accurately calculate how much they need to gain the curtain, the formula is: white walls and gain a current / current picture area = desired screen gain / expectations The screen area. 80-inch projection screen, audio-visual equipment male cloud (certified), 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.