This year's air defense drill in Xiamen was held on May 10, Rihua Technology Co., Ltd. for the eighth consecutive year with the participation of the city's people's defense drill, Xiamen, Rihua Technology Co., Ltd. is the first to obtain the National People's Air Defense Alarm in the field of practitioner competence certificate Grand Slam enterprises, but also the first to obtain the State People's Air Defense Office issued the "National People's Air Defense Alarm Equipment Manufacturing Units Qualification Certificate" enterprise. The company specializes in information construction, big data and cloud computing applications in the emergency industry, and is a high-tech innovative enterprise integrating design, R&D, production and construction. The research and development of multimedia multifunctional air defense and disaster prevention alarm system of Rihua Technology has reached the goal of "strengthening the construction of alarm notification system, further improving the existing fixed and mobile alarm system, researching on anti-jamming alarm control system, alarm equipment monitoring system and emergency broadcasting system, promoting the application of multimedia multifunctional new type of alarm notification system based on electronic screen, expanding the coverage of alarms, enhancing the effectiveness of the system, and increasing the efficiency of the alarm system. system, expanding the coverage of alarms and enhancing the capability of continuous alarms". At present, the system has been installed in the national human defense command center, commercial plaza, community, scenic spots, underground shopping malls, underground garages, parks and other scenarios, fully meet the usual disaster prevention and services to the people's livelihood, services to the community, the combination of peace and war development requirements.