Ky Thuat Hoan Hao B.H.T Joint Stock Company Address: No 18/1 D50, Dong Quoc Binh Ward, Ngo Quyen District, Hai Phong City Enterprise code: 0200917178 Phone: 02253729230 Representative: Le Viet Ty Adress: No 99/34 Cho Hang, Dong Hai Ward, Le Chan District, Hai Phong City Dong Quoc Binh Ward, Ngo Quyen District, Hai Phong CityFounding date: 15 - 5 - 2009