STR Group company was founded in 1956 by Satir Family in Istanbul-Turkey. Our company is making the aluminum profiles and accessories of produce. Because of technology's develop, it's had been added new systems in the production. Just about , since 15 years it's too making the Pergola, Guillotine , Sliding Glass systems. Also, It's has been started the Rolling Roof (new system) selling too in the World. While we export to 58 different country We are continue the maintain leadership.