Iranian rugs with their dazzling variety and limitless patterns of expanded in Rome throughout the history. Although of few other countries have been able to produce carpets and rugs, still today throughout the world Iran is regarded as land from which the most elegant patterns and superlative designs in a knitting methods have developed. The unique designs and exceptional patterns of Iranian carpets are imitated throughout the world. These include Kashan, Tabriz, Isfahan and Kurdistan designs. The knitting style and manufacturing procedures needs and production of Iranian carpets and rugs have been essential factors of maintaining their prestigious price in international market, and today the most superior rugs and carpets are considered come from Iran.