Htech Joint Stock Company Address: No 158, Mai Dich Street, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0103723434 Phone: 0979641868 Representative: Dinh Thi Hang Adress: Chang Cho Hamlet, Duong Lieu Commune, Hoai Duc District, Ha Noi City Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 20 - 4 - 2009