UCROWN is a door and window brand under Guangdong Foshan Dangyun Home Technology Co., Ltd. Its headquarters is located in Foshan City, Guangdong Province, the largest aluminum profile production base in China and the hinterland of the Pearl River Delta. The company primarily specializes in the design and manufacturing of aluminum alloy system doors and windows as well as sunrooms. As a high-end door and window customization enterprise integrating research and development, production, sales, and service, it stands as one of the most scaled and modern manufacturing enterprises in China's aluminum alloy door and window industry.