(Salutation)
IwouldherebyinvitethemembersofBeijingdelegationtotally4persons(listedattachment)ledbyyou,tocomeoverto***(country)for***(exposition),whichistobeheldat***(place)during***(date).Pleasemakethenecessaryarrangementsforyourdelegationtoarrivein***(country).Duringtheexposition,youwillstayherefor***days.Allyourexpensesincludinginternationalairtickets,localtransportation,accommodations,medicalinsurancesandallotherrelatedexpensesduringyourstayherewillbepaidbyyourselves.Wearelookingforwardtogreetingyouin***(country)verysoon.
Yourssincerely,(Signature)