Sontek LTD Address: No 9B, Hoe Nhai Street, Nguyen Trung Truc Ward, Ba Dinh District, Ha Noi City Enterprise code: 0108133196 Phone: 0977052086 Representative: Cao Thi Son Nguyen Trung Truc Ward, Ba Dinh District, Ha Noi CityFounding date: 15 - 1 - 2018