C'est Tech Joint Stock Company Address: No 27, Lane 150, Giang Vo Street, Giang Vo Ward, Ba Dinh District, Ha Noi City Enterprise code: 0109902648 Phone: 0857502591 Representative: Nguyen Thi Kim Thanh Giang Vo Ward, Ba Dinh District, Ha Noi CityFounding date: 7 - 2 - 2022