SadrStone Company was established in 2004 in Tehran to manufacture antique stone and artificial stone compatible with nature. After a year, the company’s managers made their massive factory ready for operation in Tehran with the Annual production capacity of 30000 square meters. Since quality and global standards were desirable for the company's executives, they immediately started negotiations with a Canadian company in the field of technology transfer and advancing the global utility level of the products, finally and after extensive consultations and negotiations, Sadr Stone succeeded to reach an agreement to produce its products under the license of this company