... will go in year 2011:PROLIGHT + SOUND SHOW SHANGHAI 2011 www.prolightsound.comExhibitor: Ningbo Central Star Electronic Technology Co.,LtdBooth: 4B87PALM ... EXPO 2011 http://www.palmexpo.com/engwebexhibit/index.aspxNingbo Central Star Electronic Technology Co.,LtdBooth: Hall ...