AD Audio-Visual Equipment Co.,LTD is a well-known company specialized in designing, manufacturing and marketing various types of such facilities widely applicable in both home and office circumstance as projection lifts, security lifts, motorized LCD lifts, motorized LCD desktop folders,motorized keyboard turners,motorized cord mounting poles, AV carts, motorized curtains, plasma mounts, floor mountable integrated sockets, desktop mountable integrated sockets, as well as various manual or motorized projection screens.