july 1st XX（date）
consulate general of country(大使馆),
to whom it may concern:
this is to confirm that:
mr. **, director(position) , the member of board(date of birth:**assport no.-- ) a nd --(some else persons) are from**co.,ltd., who is one of our clients in **country.
on behalf of our company. i now invite the above-named persons to visit our company for business purpose.
we wish who mr.**, ms**n could stay in our country for 10days during sep XX to negotiate our business a nd visit our cities for marketing survey.
pls noted that **co.,ltd, will be fully responsible for all the traveling expenses a nd medical insurance incurred during they stay in**our country.
itinerary in our country:
schedule there.
we would appreciate it very much if u could grant their the requisite travel document a nd visa at your earliest convenience.
yours faithfully