to whom it may concern:
i am writing this letter to invite our/my parents (name and brith days) to visit us in canada this coming may for a period of 3 months. it goes without saying that we will cover all expenses during their visit in canada， which includes international air tickets， local transportation， accmodations， medical insurances and all other related expenses. your favourable consideration regarding their visa applications will be highly appreciated. if you have any question regarding this matter， please kindly contact me/us at the address above.
sincerely.
dear sir or madam，
nice to contact you !we are glad to know your name and address on the internet . here writing you with expectation of establishing business relationship . now we take this opportunity to introduce our company. our company was founded in xx(year). we have a very large international business with lots of countries.we are mainly produce all kinds of (product). if something is attracting ，please let us know， then we should send you the price sheet. after you confirm the price ，the samples also can be dispathed to you for thepurpose of examining the quality.hope our products meet your market. so that we can start our bbusiness relationship for mutual benefit. thanking you in advance and looking forward to having your kind views on our business cooperation proposal. your prompt reply would be highly appreciated waiting for your kindly reply.
dear sirs
it is our pleasure to invite your staff to come to japan for attending our business meeting which is going to be held from june 26th ， 27 until july 6th， 27. the invited person is: mr. name: mr. eldridge eric nicolas department: machinery & electronic position: senior section manager considering his attendance is really important for us， hence your kind cooperation in preparing business visa for the above person that enable his to have visit japan is highly appreciated. sincerely yours， kunihiro yamauchi group leader global human resources group