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Industrias Cunha Barros is the largest Fibre Optic Cable manufacturer in Portugal, distinction that is assured by its commercial position and due to the fact that it is the only manufacturer in the Iberian Peninsula that produces its own fibre optic.

ICB was founded in 1938 and nowadays it has one well developed cable production unit. ICB was the first worldwide manufacturer producing cross-linked polyethylene insulated cables and it is the only Portuguese manufacturer able to produce fibre optic cables in unique lengths of 25 km.

ICB is a certified manufacturer of Power Cables by EDP-Electricidade de Portugal, the main portuguese electrical distributor operator, and by Portugal Telecom for Telecom Copper and Fibre Optic Cables .

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