Ngoc Long Ky Thuat So LTD Address: No 96 Cau Go, Hang Bac Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0102113299 Phone: 0903217300 Representative: Vu Viet Hung Adress: No 43 Nguyen Khac Nhu, Nguyen Trung Truc Ward, Ba Dinh District, Ha Noi City Hang Bac Ward, Hoan Kiem District, Ha Noi CityFounding date: 19 - 12 - 2006