Changsha City, Hunan Province. Personal ability was praised by the boss. In 2009, Zhang Dan was promoted from an apprentice and a clerk to a project manager, in charge of several projects. He is a young man in Taoxi Town, born in 1987. He studied in a middle school in neixiang county, Nanyang City, Henan Province, and graduated from the Department of Architecture of Hunan University. I worked as a local construction technical engineer in the early days.