Beijing Jiayu Door, Window and Curtain Wall Joint-stock Co., Ltd. is a China-based company principally involved in the research, development, design, manufacture, processing, installation and services of energy-saving doors, windows and curtain walls. The Company operates through two main segments. The Building Exterior Decoration segment is mainly involved in the manufacture, processing and installation of energy-saving doors, windows and curtain walls. The Other Business segment is mainly engaged in the technology development and consultation, among others. Its products are applied in the construction of large-scale city public buildings and residential buildings, office buildings, hotels, sports stadiums, airports, stations, exhibition centers, shopping malls and hospitals, among others.