Guangzhou Junnan Audiovisual Technology Co., Ltd. specializes in the production and sales of LCD lift, multifunctional desktop socket, power-operated projector lift, TV lift, projection screen, ground sockets and so on. We can supply you with different products according to different demands. Our products have spread all walks of life after several years' development, such as government, school, army, post & telecommunication and security. Our products find a good sale in more than twenty ...