On October 28, 2022, Shenzhen Metro Line 14 officially launched, and TCT helped Shenzhen to open the longest full-automatic GoA4 class (referred to as: FAO) subway line at one time.As the first 120km/h metro East express line in Shenzhen, Line 14 is equipped with GoA4 level (the highest level) automatic operation system (including full electronic interlocking system) with independent intellectual property rights of traffic control technology, connecting the outside and the inside, connecting the east and the west. With a total length of 50.32km and 18 stations, it is the subway line with the longest line, the largest span, the most transfers and the widest coverage area in the history of Shenzhen rail transit.