PTC Self-regulating Heating Mat is a heating element formed by extrusion process of polymer positive temperature coefficient thermistor material. The system is directly covered for floor or wall with wooden boards, bamboo curtains, gussets and other light wood or synthetic fiber. This system is easy to install, different Connection voltage for choice: 380V\220V110V\36V. Suitable for various laying methods such as suspension and keel; The Self-regulating Heating Mat underfloor heating system has the advantages of small space occupation, energy saving, safety and comfort.