Duct Rodders applies in tow lead-rope through a pipe,it is auxiliary means. Surface smooth and high resilience,so the FRP perforator with ease passes the narrow channel. perforator consists of two parts: the glass fiber strengthen the level, the high-pressured low density polyethylene protective layer(smooth, firm ,can resist the adverse circumstance).Duct Rodders has time-saving reducing effort, improving efficiency, etc,And can be used for telecom cables
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