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

We are glad to enter （） business relations with your corporation.

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

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

Scince we are well connected（）the department stores here,we can obtain a number of orders for you.

We（）some brochurs（）to illustrate the procucts we manufactured.

Please take the necessary steps（）delay.

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

We are glad that in the past few years,（）joint efforts,have greatly promoted both business and friendship.

While （） an enquiry, you ought to enquire into quality specification and price etc.