Chen Maotian: Male, born in 1978, with China nationality and no right of abode abroad, graduated from Chongqing University with a bachelor's degree in electrical engineering and automation. He is currently the supervisor of the Company and the deputy director of the Engineering Department of the Company. Chen Maotian used to be an electrical engineer in Xiamen TDK Co., Ltd. and a director of equipment department in Yuanfa (Xiamen) Electromechanical Co., Ltd.; since 2007, he has been an electrical engineer, director of electrical department, manager of electrical department and engineering department of Sanda Environmental Engineering; since 20/05, he has been a supervisor of the Company.