Nongjiale is also known as leisure farmhouse. It is a business form that mainly takes farmers as a unit and provides farm life experience services with farmhouse, farm meals, agricultural products and other attractions. It is one of the 4 basic forms of leisure agriculture. Generally speaking, the owners of Nongjiale utilize local agricultural products to process and satisfy the needs of guests, the cost is low, so the consumption is not high. Moreover, Nongjiale is generally surrounded by beautiful natural or idyllic scenery, with fresh air and relaxing environment, which can soothe the mental pressure of modern people, and therefore is loved by many urban people.

 　　                  In winter, the temperature is low in rural areas, most of the water pipes are in the outdoor area, it is easy to freeze and clog in the sub-zero time. Affect the normal business of the farmhouse, so need to use the accompanying heat system on the water pipe for heat preservation accompanying heating cable.

 　　                        Winter agricultural water pipe heat preservation can choose self-limiting temperature electric heating cable, self-limiting temperature electric heating cable energized to emit heat, direct or indirect heat exchange compensation is accompanied by the heat loss of the pipeline, maintain the temperature in the water pipe, in order to achieve the purpose of antifreeze heat preservation. Only need to put the self-limiting temperature electric accompanying tropical tightly flat or winding in the outer wall of the pipe, use the pressure sensitive adhesive tape or aluminum foil tape fixed, and then install the heat preservation layer, after the power test, in the winter time to turn on the electric accompanying heating system can be for the pipeline antifreeze heat preservation.

 　　                      Self-limiting electric heating cable overall heat and parallel structure to ensure the reliability of the system, with high thermal efficiency, energy saving, simple design, easy construction and installation, no pollution, long service life, can realize the advantages of remote control and automatic control, etc., has been widely used in petroleum, chemical industry, electric power, firefighting and other industries.