The list of listed companies sponsored by Guosen Securities is as follows. Guosen Securities underwrites Youhemai, Products Huaneng, Ouma Software, Aohua Endoscope, Shengtai Group, Zhongke Weizhi, Fulaite, Dechang, Qingdao Food, Duorui Medicine, Shanghai Ailu, Jinsanjiang, Caibai, Zhang Xiaoquan, Yuanxin Industry, Guoguang Electric, Thunderbolt Weili, Beyond Technology, Puran, Aiwei Electronics and Yiqiao Shenzhou. Nawei Technology, Emma Technology, Happy Home, Yuma Sunshade, Electric Wind Power, Yahuilong, Fulai New Materials, Liyuan Technology, Suwen Electric Energy, Dongjian Technology, Yingli Automobile, Nuohe Zhiyuan, Hualv Bio, Kemei Diagnostics, * * * Tongyong Pharmaceutical, Chutianlong, Medeka, Liande, China Gold, Kangzhong Medical, Yitong New Materials.