XY projection screen is a world famous brand. The company operating a private cinema screens, a large cinema screen, large-scale projects curved screen projection screen, projector lift electric aircraft and other world-quality products. Since inception, we have always to screen material, optical and acoustic characteristics and other aspects go into continuous projection screen, have launched a number of leading technology for Transcend unique; each product Jiangxinduju advanced design, meticulous Precision construction, as well as an incredible quality management. The company's main product hard screen projector screen projector screen, projector screen is mainly used in home theater, office culture, education and other places, customers are welcome to come to counseling. But if are viewing 4: 3 NTSC and PAL television-based, you can also consider 4: 3 screen. Classification is generally divided by installing chain hanging curtains, electric curtain hanging, pull the curtain and curtain frame other four. Many famous curtain curtain manufacturers offer the same material but with different ways of installing curtain to meet consumer needs, consumers can choose according to their own economic conditions. 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. Typically, we will gain a uniform rough surface is defined as 1.0 white, bright reflective screen surface with which it will come to compare the screen gain value. Screen gain is usually capable of measuring the vertical center of the screen of the reflected light. Viewing angle of the screen and the screen has a different gain inverse relationship frame projection screen, ie the higher the gain, viewing angle will be smaller, so the appropriate choice of the projection screen depending on the application, the screen does not gain the higher the better. Projection screen size, audio-visual equipment male cloud (certified), Jiangmen 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.