The Nouth:
No. 208, 17T9 Building, Trung Hoa- Nhan Chinh, Thanh Xuan, Hanoi
Tel: (84 4) 62811056           Fax: (84 4) 62811057
Mobile: 091 3 58 1218 (Mr. Dân)
Email: info@quanganhtech.com; quanganhtech@viettel.vn
YM: quanganhcoltd
MSN: quanganhcoltd@hotmail.com
Skype: quanganhcoltd

The South:
68 Xo Viet Nghe Tinh St, No. 25 Ward, Binh Thanh District, Ho Chi Minh City
Mobile: 098 8 625199
Email: service@quanganhtech.com; quanganhcoltd@gmail.com