Zhejiang Tongdun New Materials Co., Ltd. is located in Tiantai County, Taizhou, Zhejiang Province. It is a technology-based company specializing in the production of ion polymer membranes. The company has established long-term cooperative relationships with Zhejiang University of Technology, Wenzhou Research Institute of Chinese Academy of Sciences, etc., and has conducted long-term in-depth research in the development, detection and application of ionic polymer membranes.