Jiangsu Jiulang Hi-Tech Co., Ltd. was established on September 17, 2015, with a registered capital of 35 million yuan. It is the first national high-tech enterprise in China specializing in the research and development, production of efficient dust removal membrane products and the provision of gas purification programs, Nanjing gazelle enterprise. Relying on the membrane science and technology research institute of Nanjing University of Technology, the national key laboratory of material chemistry, and the national special separation membrane engineering technology research center, the company has built a membrane material production line with an annual output of 2 million square meters, and has a full range of gas purification membrane products, including low temperature organic composite dust removal membrane, medium temperature organic composite dust removal membrane, high temperature ceramic dust removal membrane, double sparse membrane, catalytic membrane, antibacterial membrane, etc High value-added powder material recovery, indoor air purification and other fields have been widely used.