Complex sentence: By utilising this new and unique method, Koenigsegg managed to coat the fibres with a diamond finish the fibre treatment is conducted carefully in small quantities, prior to further processing the pre-production material.
Split into simpler sentences: By utilising this new and unique method, Koenigsegg managed to coat the fibres with a diamond finish. The fibre treatment is conducted carefully in small quantities, prior to further processing the pre-production material.