dear sirs，
ournew－factory will be commencing production on january 1 and we should like to invite you and your wife to be present at a celebration to mark the occasion.as you will appreciate，this is an important milestone for this organization，and is the result of continued demand for our products，both at home and overseas.we are inviting all those individuals and firms that have contributed to our success，and trust that you will pay us the compliments of accepting.a luncheon will be arranged at the xiang yang hotel，followed by the opening ceremony and a tour of the factory.in the evening there will be a banquet.please confirmth at you will be able to attend by advising us of you arrival time we can arrange for you to be met.all arrangements for your stay overnight on the 10th will，of course，be made by us at our expense.
yours
faithfully