Guangfo line adopts aluminum alloy body type B vehicle, with a maximum speed of 80km / h, and the whole line is equipped with 27 trains. The vehicle adopts intelligent fire alarm system, fully functional passenger information system, high-power air conditioning system and ergonomic seats; The micro sliding plug door system is adopted. After all the doors are closed, it fits tightly with the car body, with good tightness; The door of the car body is of large width with a net opening of 1400mm, which not only facilitates passengers to get on and off the train, but also meets the structural strength requirements of the car body. Our company is mainly responsible for providing aluminum alloy profiles for car body in Guangzhou Foshan metro project.