Teijin to Boost Production of Separators and Other Membranes Feb. 9, 2018 Filed Under: Industry Tagged With: Automotive, battery separators, LiB, microporous membranes, TeijinTeijin Ltd. (TYO:3401) will strengthen its business for porous membranes. This includes plans to boost the production capacity for the…... Please subscribe to read the full story. Subscribe Free Trial