Xay Dung QSS Viet Nam Joint Stock Company Address: Van Lung Hamlet, An Khanh Commune, Hoai Duc District, Ha Noi City Enterprise code: 0109502135 Phone: 0987989514 Representative: Phan Thi Thu Hien An Khanh Commune, Hoai Duc District, Ha Noi CityFounding date: 19 - 1 - 2021