NK Fenster is a leading window and door installation company based in Berlin, specializing in high-quality products and services. The website is designed to provide a professional and user-friendly experience, showcasing the company's expertise in window and door solutions. Built with React.js for optimal performance and SEO, the site features a modern design that reflects the company's commitment to quality and customer satisfaction. It includes detailed product descriptions, high-quality images of installations, and an easy-to-use contact form to enhance customer engagement.