ALetterofInvitationSchoolofMaterialScienceandEngineeringXXXXUniversityXXXRoadXXXDistractShanghai201805P.R.ChinaNov.18,2015Prof.SmithCollegeofScienceandTechnologyCentralMichiganUniversityETBuilding200MountPleasant,MI48859U.S.ADearProf.Smith,OnbehalfoftheSchoolofMaterialScienceandEngineeringatXXXUniversity,Iamhonoredtoinviteyoutobeakeynotespeakeratthe5thinternationalXXXXXConventiontobeheld,May20–28,atShanghaiInternationalConventionCenter.Theworkshopwillfocusontheinnovativeresearches,advancedproductionprocedures,andapplicationsespeciallyinaero-industryinXXXfield.Yourpresencewillattractnumerousprofessionalstotheseminarbecauseyouarethetopexpertworldlyinthefield.Yourround-tripflight,localexpenseincludinghotelaccommodation,mealsandregistrationfeewillbecoveredbytheorganizers.Themoredetailedinformationandacopyoftheadvancescheduleontheworkshopisenclosed.Ifyouhavesomethingunclearontheconference,pleasedonothesitatetocontactourconvenor,Mrs.Feng,at86-021-12345678.Wehopeyoucansparetimefromyourtightscheduletoattendtheforum.Wearelookingforwardtoyourreply.Yourssincerely,DeanoftheschoolChairoftheOrganizingCommittee