Phat Trien Cong Nghe Nam Yen LTD Address: No 25, Hem 193/220/35, Phu Dien Street, Bac Tu Liem District, Ha Noi City Enterprise code: 0105217627 Phone: 0918665966 Representative: Pham Tuan Anh Bac Tu Liem District, Ha Noi CityFounding date: 25 - 3 - 2011