The connector industry involves many fields and covers a wide range. The connector is the core basic component necessary for the electrical connection of the whole circuit system. Its function is to realize connection, disconnection or conversion by means of electrical/optical signals and mechanical force. It is widely used in aerospace, military equipment, communications, computers, automobiles, Industrial, household appliances, etc. In today's rapid development of informatization and electronics, as an indispensable component in electronic equipment, the demand for connectors will steadily increase, and there is bound to be a broader space in the future. The main application fields of connectors 1. Analysis of the current situation of China's connector market 1. China's connector market is developing rapidly and has a broad future space. In 2015, the global connector market has exceeded 300 billion yuan, and China, North America, and Europe all accounted for more than 20%.