Aluminium alloy for vehicles is much-needed material in my country to realize traffic modernization,and also the material for subway or light rail in Chongqing or other western cities.

• 车辆大型铝合金型材是国家实现交通运输现代化急需的材料,也是重庆等西部城市地铁、轻轨车辆急需的材料。