Formal. Yanuo colored contact lenses belong to the Yanuo brand. The Yanuo brand has registered a trademark and has been certified by the industrial and commercial department, and has a legal business license. Therefore, Yanuo colored contact lenses are legitimate. Yano brand, whose English name is YANIO, has been market-oriented since its establishment, adheres to the path of professional development, creates a comprehensive management model, insists on using its own services to impress customers, and is deeply loved by customers and Consumer favor. Yanuo specializes in the production and sales of contact lenses, half-yearly disposable contact lenses and other products.