Change your cover photoUpload Change your cover photoUpload Change your cover photo Shuang Tian This user account status is Approved followers0 following0 Follow About About Posts Posts Comments Comments This user has not added any information to their profile yet.Company / InstitutionHarbin Institute of TechnologyCountryChinaRegistration DateJoined 31.5.2019User LocationHarbin, Heilongjiang, China Only fill in if you are not human