DearSir/Madam;
Thanksverymuchforyourcontinuoussupport.
Withyourhelp,theprojectofproductsdevelopmentofourcompanygoeswell,sodoesOGP
operation.Thanksverymuchforthis.Whenyouvisitedourcompanylastyear,youmentionedthatsixteensetsofLFproductswouldbedevelopedbyapril2013.Wepaidgreatattentiontothisissueoncewegottheinformation.Adequatepreparationworksuchaspersonnelandmachineshavebeenarranged.Consideringasetofpunchingmachinewith125Tcapacitymaycauserisk,weorderedanadditionalonewhichissupposedtoarriveon2ndMay.Forsuccessfulcooperationofthisproject,youareexpectedtovisitusagainforguidingwork.
Yourhelpwouldbehighlyappreciated!
Yoursincerely
自己翻译的,带了商务信函的一些固定搭配和格式,望采纳.