Vacuum Cleaner Prestressed Power Spring Xiamen Shuangyuan Springs Co., Ltd( Spring Division) Base Info Model NO.：SY-013Function：PressedMaterial：SteelUsage：Industrial, Auto, Furniture, Motorcycle, Home ApplianceLoad Type：CompressionShape：SpiralTrademark：shuangyuanOrigin：Xiamen, China Description Pre：Motor Brush Spring Next：Double Layer Constant Force Spring
