1,I am writing this letter to thank you for .2,.is certain t

Mr: I am writiing this letter to thank you for your considerabiy concern about my factory ! Recently , the market downturn , there are a lot of reasons why lead to this ,first, the cost of raw materials has moved up greatly !As we all known ,with the development of economic , plents of things' prices more and more high .then , the cost of labor is getting higher ang higher,so that the labor cost take up a lot of a fond . and so on In view of these situations ,we will take measures , for example ,we intend to readjust prices and also make a new price list ,in order to adjust itself to the market and make sales up . Welcome to order our products and best wishes to you !