The cabinet is an important structure for the installation and protection of various circuit units, components and mechanical parts in electronic equipment. It eliminates the interference of various complex environments on the equipment, ensures the safe, stable and reliable operation of the equipme

The platform screen door is a high-tech product which integrates architecture, machinery, materials, electronics and information. The screen door separates the platform from the train running area, so that platform and tunnel do not interfere with each other. It is automatically turned on by the con