Xi'an Mingde Composite Material co., ltd, locate at Yinshi industrial park, National aviation industrial Base, Xi'an, Shannxi province, China. We specialized in R&D, manufacturing all kinds of Electrical insulating materials, Fiber reinforce plastic (FRP), High polymer chemical products, medical intermediate etc.Our product line include Fiberglass reinforced plastic, Insulating rod/plate/pipe(round and square section), Epoxy fiberglass tube, Foam filling pipe, Composite insulating sleeve, Coiling core tube, Special section epoxy resin fiberglass tube, etc. and our products are widely used in electric insulating device manufacturing industry and thin film relevant applications industry.Specially, the coiling core tubes widely are used in the optional film, copper film and aluminum film application and production line as coiling core tubes. Meanwhile the remarkable features of the fiberglass coiling core tubes as following, Super high strength and rigidity, not easy to deforming, the super stable physical characters, and can be reused.Meanwhile, we can manufacture the products according your special requirement.