Beijing Dotdart Technology Co., Ltd. integrates the research and development, production, and sales of electronic protection, broadcasting equipment, and signal processing products, and is committed to providing professional alarm and warning products, broadcasting equipment, and signal processing products research and development, production, and technical services for industry customers; Development of emergency management platform. Adhering to the foundation of independent research and development, driven by technological industrialization and marketization, and promoting the transformation of scientific and technological achievements, after years of technological accumulation, the alarm system, broadcasting equipment, and electronic fence independently developed and produced by the company have reached the advanced level in China. The emergency management platform developed for a large central enterprise serves as the production emergency management system for the enterprise's nationwide branches.