5G will be another key factor in the outbreak of communication market. The sales potential of power connectors is huge. Connectors carry the task of data connection between computers and terminals in communication. In data communication, wired and wireless communication coexist. That is to say, the demand for wireless connectors mentioned above will increase, and connectors will continue to grow in communication equipment. In automotive applications, because of the need for connectors in automotive entertainment system and electric system, connectors are also needed between on-board entertainment system and electronic equipment in addition to data transmission between engine management system and equipment. Industrial connectors need stronger reliability and performance. With the construction of industrial internet, stronger connectors are needed between hard industrial devices and networks. They have new requirements for connector performance.