Nanjing Jiusi Hi-Tech Co., Ltd. was established on June 26, 2002 with a registered capital of 33.443 million yuan. The company is a high-tech enterprise specializing in the research, production and marketing of high-performance membrane materials. Relying on the Institute of Membrane Science and Technology of Nanjing University of Technology, the company insists on taking independent innovation as the leading role and continues to carry out scientific research and innovation. At present, there are R&D platforms such as Jiangsu Enterprise Technology Center, Jiangsu Enterprise Academician Workstation, Nanjing Membrane Materials and Membrane Process Engineering Technology Research Center, and Nanjing Membrane Materials Industry Technology Research Institute. The company is the national special separation membrane engineering technology research center and the scientific research achievements transformation base of the national key laboratory of material chemistry engineering. It has won the second prize of the National Science and Technology Progress Award, the second prize of the National Energy Administration Science and Technology Progress Award, the national excellent patent award and other honors. Now it has become the vice chairman unit of the China Membrane Industry Association, and the main external responsibility unit of the National Special Separation Membrane Industry Technology Innovation Strategic Alliance.