In the context of Industry 4.0, the transmission of sensors, equipment, systems, and factory room data in smart factories is very important. Pinrui provides customers with LONGTRONIC® industrial data communication products, covering different levels of industrial Ethernet cables, various protocols. It is widely used in automobile production lines, machinery manufacturing, CNC machine tools, petrochemical and other fields, allowing data to be transmitted to all corners of the industrial environment in a timely and error-free manner, ensuring the safety and reliability of industrial production.