Qianying Zhang @qianying-zhang Active 7 years, 5 months ago ActivityProfileSites 0Friends 1Groups 0 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates New Sites Posts Comments Friendships New Groups Group Memberships Group Updates Junjie Han and Qianying Zhang are now friends 7 years, 5 months ago Qianying Zhang @qianying-zhang View Profile CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio