Head quater: Room E2, C4 Building, Xuan Dinh Ward, Tu Liem Dist., Hanoi, Vietnam
Tel: +84-4-3750-5142
Fax: +84-4-3750-5143
Add: Nhi Hamlet, Van Noi Ward, Dong Anh Dist., Hanoi, Vietnam.
Fax: +84-4-37505143
Email: sales@ttech.vn
Add: No. 205A Nguyen Xi, No 26 Ward, Binh Thanh Dist., Ho Chi Minh City, VietNam.
Tel: +84-8-6685-8911 / +84-8-6284-0992
Fax: +84-8-6284-0993
Hot Line: +84986-918-866
Add: No39, Group 80B, Bach Dang Ward, Ha Long City, Quang Ninh, Viet Nam
Hot Line: +84 988 062 602