Phat Trien Khoa Hoc Vitech LTD Address: No 13, Lot 1G, Trung Yen Urban Area, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0106092106 Phone: 02437835922 Representative: Trinh Chien Adress: No 10a, Tang Bat Ho Street, Pham Dinh Ho Ward, Hai Ba Trung District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 22 - 1 - 2013