Shutter Windows open easily and electrical control, electric button switches, rocker hand, a belt wheel, the spring drive shaft and other open manner.
卷帘门窗开启自如，有电动遥控、电动按键开关、手摇杆、手拉皮带、弹簧轴驱动等多种开启方式。
Shutter Windows open easily and electrical control, electric button switches, rocker hand, a belt wheel, the spring drive shaft and other open manner.
卷帘门窗开启自如，有电动遥控、电动按键开关、手摇杆、手拉皮带、弹簧轴驱动等多种开启方式。
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