Sheathed heating cable is heating alloy wire, mineral insulation and metal protection tube, formed by stretching high density solid body sheathed heating cable is widely used in aerospace, power and environmental protection industry: air-cooled heat tracing pipeline, desulfurization tower process piping heating, chimney heating, heating hopper. Petrochemical industry: long-distance pipelines antifreeze heating vessel heating, pipe insulation, tank with heat insulation, clear wax plugging crude oil pipeline, heating and insulation: building a large area of ??heating, insulation warehouses, agricultural and horticultural greenhouse heating, temperature control poultry Aquaculture heating. Preheat combustion devices: nuclear reactor preheating, preheat boiler fuel, gas device to warm up. Outdoor equipment and facilities in cold areas: machinery and equipment, runways, playgrounds, soccer fields, television transmission towers, culverts, valves, gates, traffic hub facilities, outdoor stairs, intermittent liquid pump. Oil platforms and offshore boating: deck anti-condensation,