Xinyu Liu @xinyu-liu Active 6 years, 3 months ago ActivityProfileSites 0Friends 1Groups 0 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates New Sites Posts Comments Friendships New Groups Group Memberships Group Updates Yiwen Jin and Xinyu Liu are now friends 6 years, 6 months ago Xinyu Liu @xinyu-liu View Profile CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio