Cong Nghe V-Tech Viet Nam Joint Stock Company Address: No 26C/165 Civil Group 17, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0105456897 Phone: 02485898198 Representative: Vu Tuan Anh Adress: No 57, Hang Ngang Street, Hang Dao Ward, Hoan Kiem District, Ha Noi City Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 17 - 8 - 2011