Take advantage of the implementation of a series of electric heat tracing cable -- the standard products with features and implementation of standard products Q/XYT07-2005 Application of TDSL passer, a series of self-regulating heating cables TZSL advantage of the other three is a long list of single-phase heat cable series, Three-phase power supply and demand from electricity generation, dedicated to the long pipeline antifreeze, cold temperature, the maximum temperature maintained at 65 ° C and 105 ° C.