1.Dominant sectors. In order to accelerate them development further, these dominant sectors should located where has achieved larger industrial scale for these sectors. Therefore, electrical and transportation manufacturing have priority sites Tianzhu Export Processing Zone, the Airport Industrial Zone, the Linhe Industrial Zone, and the Automobile Production Zone. And food and beverages manufacturing has priority sites in the towns of Niulanshan and Beixiaoying, where had the two largest food and beverages product enterprises in Shunyi.