We have established an irrevocable letter of credit（）your favour with the Bank of China,Guandong．

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

We are awaiting your revised draft（）keen interest.

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

Your quotation happens to be exactly the same（）we have received from Australia.

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

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

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

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

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