Unit 1 Letter Introduction
Unit 2 The Structure of Business Letters
Unit 3 The Different Patterns of Business Letters
Unit 4 The Letter of Establishing Business Relations
Unit 5 The Credit Inquiry
Unit 6 Inquiry
Unit 7 Answering the Inquiry Letter
Unit 8 Quotation and Offer
Unit 9 Counteroffer
Unit 10 Declining the Counteroffer and Re—counter Offer
Unit 11 Acceptance or Confirmation
Unit 12 Order
Unit 13 Payment
Unit 14 Shipment
Unit 15 Insurance
Unit 16 Complaint and Claim
Unit 17 Agent
Unit 18 Introduction of a Contract（1）
Unit 19 Introduction of a Contract（2）
Unit 20 Agency
Unit 21 Service Contract
Unit 22 Tender
Unit 23 Submission of the Tender
Unit 24 Advertisement
Unit 25 Resume
Unit 26 Memorandum