CRRC metro cars adopt lightweight car body made of stainless steel and aluminum, which integrate the Automatic Train Supervision System (ATS) and the Automatic Train Protection System (ATP) 免费不收费看污在线观看-免费看污污-免费看污污污视频软件. They feature high reliability, availability, less maintenance and low life-time cost. Delivering Type A metro cars to Hong Kong MTR and Saudi Arabia marks CRRC’s entrance into the high-end international markets.