The shanghai border information technology ltd., located in the west park of tien tien park, has long focused on research and product development in high-end perimeter warning technology, and is a high-tech enterprise specialized in the development, production and sale of alarm system products. After many years of effort, a vibrating cable perimeter detection system with full intellectual property rights was successfully developed and its positioning error of 2 m was tested at ** a security alarm system product quality monitoring and testing test centre. At present, shanghai border information technology ltd. Has developed a unique and rigorous and efficient system of research and development, production, quality and so forth. Vibrating cable perimeter detection alert systems are highly valued by a wide range of clients with their high-precision positioning function and extremely low rates of error, and can be widely used at airports, oil depots, nuclear power plants, transformers, ...