What does Yang Chao do? Huang Hui science and technology worker supervisor

Yang Chao: Male, China nationality, without permanent residency abroad, born in 1986 10, with a university degree. 20 12 to 20 19, 1 1 staff of the administrative office of Beijing Railway Information and Communication Technology Co., Ltd., 20 19,1/staff of the administrative office of Beijing Guotie Yang Technology Co., Ltd., and concurrently serve as a trade union.