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  • email
  • sales@greystonedatatech.com
  • email
  • Phone: 817-329-9696
  • email
  • DFXSupport@greystonedatatech.com
  • email
  • Fax: 510-661-2105
  • email
  • helpdesk@greystonedatatech.com
USA - Headquarters
Greystone Data Technology (GDT, Inc.) 
1250 W Southlake Blvd Southlake
Tx 76092 USA
Phone: 817-329-9696
Fax: 510-661-2105
Vietnam - R&D Campus & Repair Center
Greystone Data Systems Vietnam
Wholly owned subsidiary of GDT, Inc. USA
62 Linh Trung Export Processing Zone 2
Binh Chieu Ward, Thu Duc District,
Ho Chi Minh City.
Phone: (+84) (8) 3 729 1473
Fax: (+84) 8 3 729 1708
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