Our ancient country, Iran, enjoys not only remarkable reserves of oil, gas and different minerals but also tremendous deposits of dimensionalstones,same unique in the world .

The application of stone in Iranian architecture has a 3000 year old history and the existence of historical monuments such as Persepolis, Bisotun and Naqsh-e Rustam with their marvelous gates , pillars and stairways are the astonishing examples of stone application in the ancient times.

At the present time the average amount of about 11 million metric tons is being extracted annually from more than 900 active quarries which resources are unbelievable in rarity and unimaginable in variety.