Pietra Grey Marble (Pietra Grigio) Quarry is a wide mountain area which is included of more than 30 separated quarries which is located in south of Esfahan City in the center of Iran.
Concerning to the natural historical specifications of this mountains, Only a few quarries are able to Extract first selection quality of Pietra Grey Marble Block.
AO Marble blocks which selecting for export aims must have accurate quality standard …
