Fiberglass rod is made of fiberglass throuth epoxy resin and then traction and  pull. and finalize the design, calefaction and solidify.
It used to reactor, fall of fuse, dryinsulation transformer, and lightning arrester etc. High voltage electric production. User can choice by needing.
the size is from Φ8-Φ90mm. There are all kinds of  medium-sized, high-temperature-resistant-sized, Acid-resistant-sized. and we can manufacture by customer's requesting.