On July 25, 2019, the Metro Trans opened at the China International Exhibition Center. This year's exhibition includes five exhibition areas, including the owner's exhibition area, urban rail cloud exhibition area, technical equipment exhibition area, communication signal exhibition area and real vehicle exhibition area. It has gathered nearly 200 domestic and international rail transit enterprises, major urban rail operation companies and many urban railroad projects. The laboratory covers the entire industrial chain of rail transit and demonstrates new technologies, new equipment and new concepts in the field of rail transit. At this exhibition, CONTROLWAY (Booth No. 2, Hall 2103) demonstrated wireless beacons and various sensor products that have been widely used in rail transportation.