写一篇英文商务信Suppose you are the manager of a supermarket,and you want to buy some newly made bread from Youkang Food Factory,.Please write a business letter to the boss whose name is Zhang Lisan to express your intention.Pay attention to the form of a business letter.

Dear Zhang Lisan
We have obtained your name and address from internet and we are writing to enquire whether you would be willing to establish business relations with us.We have been one of the biggest supermarkets in China for many years.At present,We are interested in extending our range and would appreciate your catalogues and quotations of your production.If your prices are competitive we would expect to transact a significant volume of business.We look forward to your early reply.
Best Regards
Mr XX