What is Yan Changxu's professional title? Chairman of Guoguang Company Limited

Mr. Yan Changxu: Born in April 2004, 1948, China nationality, without permanent residency abroad, college degree, senior engineer. He has been the director of Jianyang Guoguang Preservative Factory, the chairman and general manager of Sichuan Guoguang Industrial Company, the chairman and general manager of Sichuan Guoguang Agrochemical Co., Ltd., the chairman and director of Sichuan Guoguang Agrochemical Co., Ltd., the director of technical center, and the deputy director of the professional committee of plant growth regulators of China Pesticide Development and Application Association. He is currently the chairman of Sichuan Guoguang Agrochemical Co., Ltd., director of technical center, executive director and general manager of Sichuan Runer Technology Co., Ltd., supervisor of Sichuan Guoguang Agricultural Materials Co., Ltd. and supervisor of Sichuan Jiazhi Agricultural Technology Co., Ltd.