Is window grilling a folk custom in China?

Yes, window cutting is one of the traditional folk cultures in China. Cutting patterns on window glass is a skill. Window grilles originated in the Ming Dynasty. Before that, windows in China were usually closed with wooden boards or cloth. Window grilles are an important part of China folk culture, representing the history, culture and traditional crafts of China. Today, window grilles are still an important representative of traditional crafts in China, and are listed as national cultural relics protection units.