Duan & Duan's practice has grown significantly and with it, so has the need for space. The addition of space became necessary for the addition of personnel to better serve the firm's expanding clientele. To view Duan & Duan's personnel profiles and their practice areas, click here.

In 1999, the firm moved to the 17th floor of Shanghai's Shartex Plaza Building. The building is located in the HongQiao area of Shanghai, centrally located among the Shanghai offices of many of its overseas clients, and directly across from the Sheraton Grand Tai Ping Yang Shanghai Hotel. Duan & Duan's HongQiao office address is:
　　88 Zun Yi Nan Road, 17th Floor,Shanghai.200336
　　Tel: +8621 6219 1103, 6275 8656, or 6219 7902
　　Fax: +8621 6275 2273 or 6275 6638
　　e-mail: webmaster@duanduan.com

In occupying the entire 17th floor and half of the 5th floor, Duan & Duan has had room to expand its offices, library, file rooms and conference rooms, and also to feature several pieces of artwork by Cai Da Xiong, a famous Chinese abstract artist.

Duan & Duan's Beijing Office address is:
　　Suite 3506,Beijing Fortune Plaza, 7 Dong San Huan Mid Road, Beijing, China.100020
　　Tel: +8610 6533 0663
　　Fax: +8610 6533 0660

Duan & Duan's Hong Kong Office address is:
　　Suites 3416-3418,Jardine House, 1 Connaught Place, Central, Hong Kong,China.
　　Tel: +00852 2973 0668
　　Fax: +00852 2525 0183

In 1994, Duan & Duan opened a branch office in the U.S., located in Seattle, WA. That office is located in downtown Seattle, in the Two Union Square building.
Duan & Duan's Seattle office address is:
　　601 Union Street, Suite 4123. Seattle, WA 98101
　　Tel: +206 628 6776
　　Fax: +206 628 6611
　　e-mail: webmaster@duanduan.com