Toliddaru Company was established in 1956 and has started its activities in the field of manufacturing pharmaceutical and health products. Prior to the victory of the Revolution, this company with the TD brand was one of the leading pharmaceutical factories in the country, and after the victory of the Islamic Revolution, it has always been among the leading factories for the production and supply of medicine. In 2005, according to the policies of Alborz Investment Group and the formation of specialized holdings, the production company was divided into two sections: cosmetic, health and pharmaceutical, and from that year the pharmaceutical sector continued to operate as a pharmaceutical company