Self-rolling braided sleeve is a new type of wire protection sleeve, which is braided by polyester monofilament. It has the characteristics of good heat dissipation, fire resistance, wear resistance, simple and convenient operation, etc. The open structure is conducive to the protection of the wire Reinstallation, maintenance and overhaul. Products are widely used in high-speed rail, automobiles, automation equipment, computer wires and other fields, especially for the protection of connecting wires in working environments that require heat dissipation.