Change your cover photoUpload Change your cover photoUpload Change your cover photo Haichao Li This user account status is Approved followers0 following1 Follow About About Posts Posts Comments Comments This user has not added any information to their profile yet.Company / InstitutionPenn State UniversityCountryUnited StatesRegistration DateJoined 15.3.2019User LocationState College, PA, USA Only fill in if you are not human