Since 1988 DX Group (Hong Kong) Limited has been Hong Kong's only Document Exchange and one of the leading delivery service companies. DX has built a reputation for providing a high quality professional service to the legal, insurance, financial, media and publishing industries.

Companies use DX because we go out of our way to provide you with a quality service at a competitive rate. We seek solutions to customer problems and work with your staff to achieve the best results.

DX is able to meet all of your delivery requirements with existing services or by designing custom made packages to satisfy your needs.

DX Group (Hong Kong) Limited (DX) is now part of the China Security & Surveillance Technology, Inc. (CSST).

CSST is a leading security solutions provider in China. The group manufactures, distributes and installs security & surveillance systems. In addition, it provides auxiliary security services on a one-stop-shop basis. CSST focuses on providing integrated security solution to both commercial and government entities. It has been providing high quality services to its satisfied clients in China since 2000.