The list of listed companies sponsored by Guosen Securities is as follows. Guosen Securities underwrites Youhemai, Pinhuaneng, Ou Ma Software, Aohua Endoscope, Shengtai Group, Zhongke Wei Zhi, Follette, Dechang, Qingdao Food, Duorui Medicine, Shanghai Ailu, Jinsanjiang, Caibai, Zhang Xiaoquan, Yuanxin Industry, Guoguang Electric, Thunder Power, Beyond Technology, Puran, Ivy Electronics and Joey Shenzhou. Na Wei Technology, Emma Technology, Happy Home, Youma Shading, Electric Wind Power, Yahuilong, Fulai New Materials, Liyuan Technology, Suwen Electric Energy, Dong Jian Technology, Yingli Automobile, Nuohe Zhiyuan, Hualv Bio, Ke Mei Diagnostics, * * General Pharmaceutical, Chutianlong, Meideka, Li Ande, China Gold, Zhongkang Medical and Yitong New Materials.