Shenyang VS Digital Technology Co., Ltd. founded in 2003, a professional manufactor for guard tour system with more than 10 years' R&D experience.We dedicated to supplying high quality products, innovative technology and services to extensive customers around the world and making the society, families, individuals and enterprises feel more harmonious via our product application. Therefore, VS Digital always sticks to business concept of "innovation, leading and globalization". Innovative design concept motivates VS Digital to obtain large quantities of patent technology and...