Abstract For a long time，m etal and synthetic material are obviously in a com petitive state in the traditional design process．The com plex technology，w hich was developed by Bayer AG and has obtained international patent，can replenish the special character oI metal with various kinds of synthetic materials．
Gerhard Gotzmann. A group technology inspiring the automobile industry：Synthetic m aterial replenish metal. Chinese Journal of Engineering Design, 2002, 9(2): 81-82.
