Epoxy resin winding tube is insulation product shaped through gluing alkali-free and twist-free glass fiber yarn, alkali-free glass cloth and epoxy cloth soaking in epoxy resin compound glue, then being heated and solidified; According to users' requirements, it can be made into such heat-resistant grades as B, F or H grade, which have good electrical capability and mechanical strength, and now is widely used in arrester sleeves and bushings of switches on the column for 35KV110KV etc.

Winding tubes in various specifications (diameter ranges from φ 8 to φ 600 mm) can be produced in accordance with users' requirements, meanwhile, they can be processed according to different requirements (notch, turning, wiring etc. ).