Nanjing Guo Hao Decoration and Installation Engineering Co., Ltd. (hereinafter referred to as "Guo Hao", stock code 832707), established in 2000, is engaged in interior decoration construction; Construction of building curtain wall; Crafts, garden landscape, exhibition design and construction; Installation and maintenance of water and electricity heating equipment and central air conditioning; Multimedia and intelligent design and construction of buildings; Fire fighting facilities, engineering construction and other businesses in one building decoration enterprise. The company has passed ISO900 1 quality management system and ISO 1400 1 environmental management system certification. For many years, it has been rated as one of the top 100 enterprises in the national architectural decoration industry, "excellent decoration enterprises" and "star enterprises" in Jiangsu Province and Nanjing City.