Dau Tu & Cong Nghe Truong Son Joint Stock Company Address: No 47 To Vinh Dien, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0103760098 Phone: 0912720191 Representative: Nguyen Hai Van Adress: Hamlet 12, Tay Luong Commune, Tien Hai District, Thai Binh Province Khuong Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 29 - 4 - 2009