No.31 Beijing Popularity Ranking No.3 Yizhuang Development Zone No.1 Ban Dao Ti Wafers No.1 Electronics Engineering No.1 Integrated Circuits Design No.1 Ban Dao Ti Gui Jing Sheet No.1 idm Chips No.1 Wafers No.1 Auto Electronics No.1 Ban Dao Ti Design No.2 Integrated Circuits Manufacturing No.2 Circuits Chips No.2 Machinery No.2 Wei Electronics