The company is a provider of energy-efficient, intelligent, photothermal photovoltaic, door, window and curtain wall systems for buildings integrating R&D, design, production and construction. More than 30 years of professional experience have enabled Jiayu to have deep industry experience and technology accumulation in the fields of energy efficiency and new energy utilization in buildings. The company's new five-year strategic development plan clarifies the goals of consolidating its main business and transforming and upgrading to high, sophisticated, and cutting-edge industries related to its main business, forming a new pattern of development of energy-saving doors, windows, and curtain walls and the use of new energy sources as its main business. The company's main business includes new energy business and energy-saving door, window and curtain wall business. The main products are solar photovoltaic products, solar photothermal products, door and window curtain wall system products. Corporate honors: In 2021, it has successively won awards such as “Top Ten Preferred Brands for Doors and Windows”, “China's Top 100 Doors and Windows Industry Starlight Award”, “AT World Architectural Design and Technology Polaris Award”, 2021 Gold Collection “Innovative Brand”, and “2020-2021 Top Ten Door and Window Leading Brands”. During the reporting period, the company added 20 new patents for door, window and curtain wall technology; by the end of the reporting period, it had obtained a total of 275 related patents.