Group 1 - The company, Tianhua New Energy, is focusing on the core technology of ion exchange membranes in the liquid flow battery field to meet national energy and "dual carbon" demands [1] - The ion exchange membranes developed by the company have passed single-cell verification tests from several well-known domestic liquid flow battery enterprises [1] - The membrane technology has potential applications in other renewable energy fields, such as water electrolysis for hydrogen production and fuel cells [1]