Gastronorm Tray - 1/1 - 200 mm Royal Catering's Gastronorm (GN) 1/1 tray RCGN-1/1X200 has been specifically designed for professional catering needs. It is ideal for use in restaurants, canteens, snack bars, salad bars, cafeterias, pizzerias, hotels, etc. It is used to store dishes, to keep them warm in a