Tianjin Bohai Weiye Cleaning Tools Corp.,Ltd

The new telescopic pole is a telescopic hollow cylinder rod made of metal strip or plastic sheet. Its characteristic is that the metal strip or plastic sheet is preformed into an elastic crimp layer with memory function smaller than the outer diameter of the rod, so as to have the self-tightening function and make the crimp layer always have the elastic potential energy to exert pressure on the telescopic rod.