STR Group Industry and Trade Ltd. STI; in the production of aluminum extrusion profiles established in 1956, who have a say in domestic and foreign markets is Turkey’s leading companies. By 2012, we have succeeded in producing aluminum extrusion profiles, which are needed by international markets, and by producing all the products in the world. With 1200 and 2000 ton extrusion presses, our production capacity is 1200 tons / month and our innovative principle continues to rise with its permanent investments.
Since 2011, STR Grup operates with the brand Sun to Rain in shading systems market. Sun to Rain has the aim to be the leader company of shading systems market with STR Grup’s 50 years of extrusion experience and quality. Sun to Rain is the one and only firm that is arranging its own designing, R&D and production of both aluminium profiles and complements simultaneously.
As Sun to Rain, we’re proud to serve to our costumers all along Turkey
and more than 30 countries with our dealers and services.