Beijing Jiayu Doors, Windows, and Curtain Walls Co., Ltd. (Jiayu, stock code: 300117) is a provider of building energy-saving, intelligent, solar thermal, photovoltaic, and door, window, and curtain wall systems, integrating R&D, design, production, and construction. With over 30 years of professional experience, Jiayu has accumulated extensive industry expertise and technical expertise in building energy conservation and new energy utilization. The company’s new five-year strategic development plan clearly defines the goal of consolidating its core business while transitioning to high-tech, sophisticated, and cutting-edge industries related to its core business, establishing a new structure for the development of its dual core businesses of energy-saving doors, windows, and curtain wall systems and new energy utilization.