JKR is a company operating in the construction and building materials industry, based in Poland. It specializes in the production and distribution of concrete products, including paving stones, curbs, and related elements for infrastructure and landscaping projects. The company serves a diverse client base that includes construction firms, developers, and municipal authorities involved in urban development and public works. JKR focuses on delivering standardized construction materials intended for use in both residential and commercial projects. Its operations support the development of infrastructure and outdoor spaces across various regions.