伸缩通风管用途
It is used for all kinds of special machinery, high temperature 
boiler, hot gas discharge and so on. The high temperature resistant air 
pipe is made of (multilayer) special glass fiber, thermal insulation 
fiber and high temperature coating, and high strength fiber line, and is
 made of galvanized steel wire clip clamped on the upper and lower ends 
of the material. The appearance is more beautiful, the surface metal 
ring can be subjected to arbitrary drag without affecting the wall of 
the tube. The quality is ultra light, suitable for all kinds of 
ventilation and air discharge, very strong and toughening, the bending 
radius is about equal to the outer diameter; the compression ratio is 
1:5. Light and compact packing is convenient for transportation.