Duan & Duan is the earliest law firm engaged in securities business legal services in China. Since 1994, Duan & Duan has acted as an issuer and underwriter's lawyer, providing legal services for many well-known companies' domestic and overseas stock offerings and other securities businesses. Duan & Duan has also accumulated many successful cases in the establishment of securities investment funds on behalf of clients, refinancing after listing, major asset restructuring, management equity incentives and employee stock ownership scheme design, etc., and has been rated as a professional in the field of securities legal business by the industry A highly sophisticated team.

Over the years, Duan & Duan have continued to develop and improve the provision of legal services in various sub-fields of financial legal business. As the legal counsel of banks and other financial institutions, Duan & Duan have participated in the provision of legal services for a series of important commercial projects such as various syndicated loans, cross-border M&A financing, and financial leasing. In the field of private equity funds, Duan & Duan have assisted in the establishment and fund raising of many private equity funds, and provided comprehensive legal services for fund promoters, managers and investors. In addition, through close cooperation with overseas branches, Duan & Duan have also risen to a leading position in the industry in the design and implementation of overseas trust plans on behalf of clients.