... system, top-quality and economical screen, stay discretional position1).Supply the OEM,Used Education & Traing,Goverment Projects, Home Theatre, Meeting ... . 2).Excellent workmanship.Designed for ceiling and wall mounting.The color of steel head case is white or black. ... ).Our company confirms the size is viewint area,and not include the black border in screen. 5).We also can make the size according to ...