QSi Holding has it’s headquarter in Hong Kong and the company has a subsidiary in Jakarta, Indonesia, together with PT. Delphi Utama. The subsidiary is called DUQSi Indonesia, a Joint Business Unit, installing and operating QSi Holding products such as DA4RID, DA4FID and the Central. Furthermore, PT. Delphi Utama is the exclusive agency for QSi Holding in Indonesia.