Xinjiang Production and Construction Corps
Zhang is the youngest of six siblings in his family. During the Cultural Revolution (1966-1976), his older siblings all went to the Xinjiang Production and Construction Corps while he stayed in Shanghai because of a policy. In 1975, at the age of 17, he was recruited into the No.2 Shanghai Carving Factory (上海雕刻二厂) as a worker and jade carving apprentice.