The brick factories of Tirajeh started working as (Khodadadi facade brick) in Isfahan state in 1368. From the beginning of the factory launch, quantity and quantify development design have been always considered and in progress. In the following, the brick factory of Sahand Tabriz with production experience from 1355 was bought in 1374 and added to the system, and Khodadai facade brick factory and pottery brick factory of Sahand Tabriz integrated with each other in 1393 and continue working as (brick factories group of Tirajeh). In these factories, the facade brick and firebrick produce professionally.