HSTC Viet Nam Joint Stock Company Address: Ai Hamlet, Di Trach Commune, Hoai Duc District, Ha Noi City Enterprise code: 0106341151 Phone: 02435551436 Representative: Nguyen Hoang Sinh Adress: Ai Hamlet, Di Trach Commune, Hoai Duc District, Ha Noi City Di Trach Commune, Hoai Duc District, Ha Noi CityFounding date: 22 - 10 - 2013