技术参数：Technical parameters: 材料及构造：卷筒本体及安装法兰采用钢件制造。弹簧为高寿命高等级的弹簧钢。
Materials &Structurction: The drum body and mounting flange are made of steel. Spring is the high life high-grade spring steel.
卷绕速度：水平卷绕 63m/min 垂直卷绕 40m/min Winding speed: Horizontal : 63m/min Vertical winding: : 40m/min
卷取长度：水平最大卷绕长度：70米，垂直最大卷绕长度 35米 Winding length: The Max Horizontal winding length: 70m, The Max Vertical winding length: 35m
