（）you know,this is a popular brand,which can see easily in our market.

We wih to acknowledge receipt of your letter of March 15,（）reached us yesterday.

As we are heavily committed,we are sorry that we are not in a（）to accept new orders.

We shall book a trial order with you,（）goods are competitive in price and of good quality.

Our foreign trade policy is based（）equality nad mutual benefit.

Your immediate reply should reach us not later（）the end of this month.

We hope this unfortunate incident wil not afect the friendly relations（）us.

In view of the long-stanging business relations（）us,we wish to settles this dispute amicably.

As to chemical products we are well connected（）the major producers in America.

Please take the necessary steps（）delay.