Many cities in China always have snowfall in a long time and large area in winter, lots of snow will increase the bearing capacity of roof, so it is unavoidable to remove the gutter snow. Because of the cold winter, condensable icicles will bring many safety hazards to pedestrians, we are constantly seeking reliable gutter snow melting technology. Mingke heating cable is the ideal product for roof snow melting and gutter antifreeze. The heating cable solves these problems effectively with easy installation and long service life, so it is widely used in northern cities.