It is made of enclosed 840 stainless steel, which can effectively prevent liquid leakage and has a long service life. After tempering, it can be wound into various shapes; the use of tinned copper woven mesh has strong shielding, high flexibility, easy bending, and strong wear resistance , Corrosion resistance, mesh weave, better heat dissipation function. It is widely used in hot runner molds, injection molding machines, plastic blow molding machines, plastic extruders, chemical fiber spinners, drones, etc.