Change your cover photoUpload Change your cover photoUpload Change your cover photo 连松 戴 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 / InstitutionBeijing Institute of TechnologyCountryChinaRegistration DateJoined 29.12.2018User LocationBeijing, China Only fill in if you are not human