Aluminum rolling shutters, lorry roll up doors, aluminum roller shutter, rolling door, roller shutter, fire truck roll up door, fire truck rolling shutters, can be used for fire truck, clean car, tool cart, ship etc. It is easy to install.1)smaller roller, 2 kinds of profile slat2)4 roll up types3)20 years experience4)strong and easy installationChina truck and trailer roll up door and parts is the most competitive products of our factoryChina truck and trailer roll up doorChina truck and trailer roll up door and parts material: AluminumChina truck and trailer roll up door and parts treatment: OxideChina truck and trailer roll up door and parts color: Coca cola red, coffee, dark, army green