Jiayu Holding Co.Ltd. focuses on providing energy-saving door and window curtain walls in China. The company offers door and window, and curtain wall products. It is also involved in the photovoltaic light and heat, intelligent equipment, photothermal, industrial park investment management, and retail businesses. The company was formerly known as Beijing JIAYU Door, Window and Curtain Wall Joint-Stock Co., Ltd. The company is headquartered in Beijing, China.