Hay-Cheng is a Chinese restaurant with over 30 years of experience, known as a popular meeting spot for lovers of Chinese cuisine. It offers a dining experience that has been described as fast-paced, with a simple and unadorned interior. Key facts used: "over 30 years of experience", "popular meeting spot for lovers of Chinese cuisine", "Abfertigung wie im Imbiss, schnell essen damit Platz für die nächsten ist. Ambiente gleich null, lieblos eingerichtet".