Khoa Hoc Ky Thuat Pham Va Cac Cong Su LTD Address: No 18 Nguyen Viet Xuan, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101291210 Phone: 0245655745 Representative: Nguyen Ke Seu Adress: 34, Lot 3 Nha G, Phuong Liet Ward, Thanh Xuan District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 10 - 10 - 2002