http://pastport.jp/user/ydealedgroup ja-JP YDEA integrates R&D, manufacturing, sales and service as a whole and commits to providing the best LED package solution and cloud technology service platform. 2020-08-04T11:36:10+0900 http://pastport.jp/user/ydealedgroup/timeline/YDEA ydealedgroup http://pastport.jp/user/ydealedgroup/timeline/YDEA