一个厂商写给另一个厂商的感谢信.主要是关于原材料涨价的事情 英语作文

Dear Mr.John Smith:
We regret to inform you of a price increase of our products due to a rise in the price of the raw materials .Howerer.in view of our longstanding business relation .the order you've already placed for our products before will not be affected by the price change.And we would very much appreciate it if you could accept the change of the price understandingly and are still interested in ordering our products in the future.
Enclosed is the current list covering the full line of our goods.
I apologize again for the inconvenience caused by the price incerase .Thanks again for you understanging and trust.I hope we'll hear from you soon.
your sincerly,
Ding zhiwen
呵呵,拿分来吧,我可是一个字一个字打上去的……呵呵,