(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)