求一篇英文business letter ,要求如下
Write a business letter according to the information given below.
Messrs White & Son will send a letter to China National Import & Export Corporation stating that they have an order to supply a plaza（市内广场,集市） with bed-sheets.They request samples of beautiful designs and best quality linen（亚麻布,被单,床单）suitable for the purpose.
You are asked to write a letter on their behalf according to the above given information.