Within this dossier of case studies on the successful internationalization of Asturian companies promoted by ASTUREX, we present Alusín Solar, a SME specializing in metal structures for solar panels. It exports to more than 30 countries and has subsidiaries in Colombia and Portugal. Alusín Solar has generously shared with us its international growth model, based on its flexibility and commitment to customer service. It is a benchmark in the photovoltaic industry in Latin America.