Standard rolling door uses gear brake motor to drive. Track and sill is specified designed as structure of door; frame. It is widely used in large stteel-structure building.

• 普通卷帘门采用专用卷门机驱动，导轨和底梁按照建筑物门框的形式单独设计，可广泛应用于大型钢结构建筑物。