http://pastport.jp/user/ecoptik ja-JP Ecoptik (also known as BRD Optical) as one of the best optical components companies was founded in 2004, and is located in the city of Changchun-the optic base of China with a beautiful view and profound optical culture. 2021-11-27T18:26:55+0900 http://pastport.jp/user/ecoptik/timeline/BRD%20Optical ecoptik http://pastport.jp/user/ecoptik/timeline/BRD%20Optical