Powertech Viet Nam Joint Stock Company Address: 2nd Floor, No 14, 19 Kim Dong Lane, Giap Bat Ward, Hoang Mai District, Ha Noi City Enterprise code: 0106221778 Phone: 02436830833 Representative: Do Thi Quynh Mai Adress: No 15, Alley 20/298, Ngoc Lam Ward, Long Bien District, Ha Noi City Giap Bat Ward, Hoang Mai District, Ha Noi CityFounding date: 3 - 7 - 2013