July 12, 2016
Technology Transfer Group Corporation (TT-GROUP)
No. 15, Lane 61/71 Tran Duy Hung Str
Cau Giay Dist., Hanoi
Vietnam
Tel: +844 22249599 Ext: 603
Fax: +844 35563154
Email: vannm@tt-group.com.vn van.ttgroup@gmail.com
Skype: van.ttgroup / YM: vantkmt_tt