Complex sentence: Until 1960, it was the only facility producing mooring ropes and cordage to equip the navy ´ s warships although the materials were also sold to the civilian market.
Split into simpler sentences: Until 1960, it served as the sole building which made mooring ropes and cordage to equip the Navy ´ s warships. Prior to 1960, materials built here were also sold to the civilian market.