Carbon fibre quartz heating tube, service life >= 6000 hour, heating unit non-oxidation and non- punchthrough, uniform radiation and clean shell of pipe. High-purity dehydroxylation quartz glass cell, small thermal coefficient of expansion, high thermal stability, temperature fluctuation bearable. It is a new electric heating product with carbon fiber as heating material and an ideal article for air and water heating in many fields of industry, agriculture and others.