http://pastport.jp/user/keyatwinscrew ja-JP NKY solutions (Nanjing Keya) is the world leading company of twin screw extruder. Based in Nangjing of China, NKY develops twin screw extruder from laboratory to mass production lines in the modular design from 1993. 2020-09-28T12:44:47+0900 http://pastport.jp/user/keyatwinscrew/timeline/keyatwinscrew keyatwinscrew http://pastport.jp/user/keyatwinscrew/timeline/keyatwinscrew