The development and application of the Internet of Things are becoming more and more extensive. The management platform of the Internet of Things involves intelligent buildings, digital medical care, public security, industrial automation, supply chain, agriculture, electricity, finance, military and other fields, allowing everyone to experience the magic of the Internet of Things charm. For this large-scale social application, Toplong Technology has designed a variety of network server chassis, which are widely used in smart home, consumer electronics, energy management, health care, industrial automation and other fields.