FRP pipe mandrel a. Diameter: DN300- DN4000mm frp pipe mandrel b. Length: up to 12.5 meters frp pipe mandrel c. pipe mandrel FRP pipe mandrel a. Diameter: DN300- DN4000mm b. Length: up to 12.5 meters. Welcome the world client contract with us!!!STEEL Mandrels or dies (moulds) for GRP pipe:Having been manufacturing equipment, steel mandrels and other fittings for GRP pipe for many years, which are ...