Goldstone factory was built and launched in the spring of 1989 under the management of Mr. Nadian, who has a golden experience of 33 years in the construction stone industry of the country.The size of the factory land is more than 9000 square meters, which has 3500 square meters of production hall, 2000 square meters of exhibition hall, 500 square meters of administrative and financial building, 200 square meters of building for workers and the design part of the cope with a capacity of 2000 tons in months.