http://pastport.jp/user/Bolian ja-JP The filter fabric manufacturer Bolian specializes in the design, development, manufacturing and sales of woven filter cloth for solid-liquid separation and diaphragm bags for the nickel cobalt electrolysis process. 2023-09-18T16:58:04+0900 http://pastport.jp/user/Bolian/timeline/Bolian Bolian http://pastport.jp/user/Bolian/timeline/Bolian