Yu Xiansheng, born in July 2007, 1965, is of China nationality and has no permanent residence abroad. He holds a bachelor's degree in modern applied physics from Tsinghua University and a master's degree in science from Fujian Institute of Structural Studies. July1990-July 199 1, sales manager of Fujian Crystal Technology Development Company; 1991From August to April, 2002, he served as the sales director of Fujian Huake Optoelectronics Co., Ltd.; From May 2002 to September 2003, he served as the general manager of Fuzhou Crystal Array Semiconductor Co., Ltd.; From September 2003 to October 20, 2003, he served as director and senior vice president of Fuzhou Gaoyi Optics Co., Ltd.; From March, 20 15 to June, 20 19, he served as the executive director of Tengjing Co., Ltd., and from June, 20 19, he has served as the chairman and general manager of Tengjing Technology.