Liddy, Sichuan Electronic Science and Technology Co., Ltd. is a specialized focus on the digital AV system design, consultants and sales of high-tech professional services companies, involving intelligent central control system, networked digital conference system, multi-function conference system, remote video conferencing system , multi-media teaching system, professional sound system, large screen display system, digital optical transmission systems, multi-end system integration, can provide users with technical consulting, systems training, engineering design, product supply, construction and a full range of after-sales service service.