Numerous large and medium industrial parks are situated throughout the proince, the largest being in Mashhad. The main industries range from mining, such as precious turquoise stone, marble, granite, cement, ceramic tiles, textiles, leather, copper, metals, wood, carpets, fruit, food products, especially canned goods, and the most valuable being high quality saffron, which dominates about 90% of the total world production.(See section on Local Souvenirs of Mashhad). Furthermore, based on the annual rate of pilgrims visiting this city the Mashhad economy is said to be service economy. Statistically 50 percent of the Iran’s hotel capacity lies in this region.