Address : 36, Rokeya Mantion (5th Floor) VIP Road, Purana Paltan Line, Dhaka-1000.
Phone : +88019 7530 9001- 3
Hot Line : +88 09613 829 000
Email : info@gstech-bd.com
Address : 161, Shek Ahmed Tower (3rd & 4th Floor), Shahid Shahidullah Kaisar Road, Feni-3900.
