请信函
Dear Sirs，
Our new－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 w
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