Xay Dung Va Cong Nghe Thien Son Joint Stock Company Address: Mang Hamlet, Thao Noi Hamlet, Son Ha Commune, Phu Xuyen District, Ha Noi City Enterprise code: 0105655469 Phone: 02433854869 Representative: Pham Ngoc Son Adress: Mang Hamlet, Thao Noi Hamlet, Son Ha Commune, Phu Xuyen District, Ha Noi City Son Ha Commune, Phu Xuyen District, Ha Noi CityFounding date: 21 - 11 - 2011