Ka Sang is located in the city south of Tehran, some 300 kilometers to the civilization of the ancient city, hand-woven carpet weaving has a long history that dates back to the sixteenth century. Currently stored in London’s Victoria and Albert Museum “Ardebil carpet” is produced here. Kasang more classic carpets used Kwai at the center of the diamond-shaped design, the traditional colors of red and blue. Some of the recent Kasang also used light brown, gray blue and green palms.