http://pastport.jp/user/otalum ja-JP What is Otalum?Otalum was founded in 1984 and after 36 years’ development, now becomes a professional aluminium extrusion supplier for architectural systems and industrial applications.https://www.otalum.com/ 2021-08-19T15:29:32+0900 http://pastport.jp/user/otalum/timeline/Shenzhen%20Oriental%20Turdo%20Ironwares%20Co.%2C%20Ltd otalum http://pastport.jp/user/otalum/timeline/Shenzhen%20Oriental%20Turdo%20Ironwares%20Co.%2C%20Ltd