Mainly engaged in mobile video and digital TV Guangduan Ji of the development, production and sales, video surveillance, integrated wiring systems, intelligent residential areas management systems, cable systems, satellite digital TV systems, security systems technology to prevent more coal Audio-visual network systems, background music systems, video-on-demand (VOD) system, stage lighting sound systems, construction and technical services.
基于1个网页-相关网页
应用推荐