Iranian President Mahmoud Ahmadinejad unveiled on Wednesday a new generation of centrifuge for uranium enrichment.

In a live footage broadcast by the state TV, a model of the forth generation of domestically-made centrifuge was presented.

Head of the Atomic Energy Organization of Iran, Fereidoon Abbasi, said in the ceremony that his country activated the first cascade of the new generation of centrifuges at its Natanz nuclear enrichment site on Wednesday.

Abbasi added that the move will, to a great degree, speed up the country's uranium enrichment activities and is a strong response to the Western hostilities.

Earlier on Wednesday, a report by the local satellite TV from Natanz city said the new generation of the centrifuge is made of carbon fiber and performs three times as efficiently as the third generation.