Yili Beijing Dairy Company, Jinmailang Food Company, 797 Audio Company, Boao Auto Parts Company, Tsinghua Tongfang Artificial Environment Company, Fute Electric Company, Chengzhi Yongchang Chemical Company, Wansai Bio, Yunhao Printing Company, Beijing Taizi Children's Wear, Beijing Hesheng Pipe Industry, Beishute Paper Company, Lvrun Food Company, Tongniu Clothing Company, Rolt Electric Company, Tongfang Weishi Company, Beijing Jinyang Garment Company, Jile Electronics Company.