包邮国际商务函电

unit 1 an introduction to business letter-writing
unit 2 establishing business relations
unit 3 status enquiry
unit 4 sales letters
unit 5 inqniries and replies
unit 6 quotations and offers
unit 7 counter offers
unit 8 orders
unit 9 foreign sales contract
unit 10 terms of payment
unit 11 establishment,extension and amendment of l/c
unit 12 packing
unit 13 insurance
unit 14 shipment
unit 15 claim
unit 16 agency
keys to the exercises