Khai Thac Thuy San Hoang Long LTD Address: No 58, Son Hai Street, Van Son Ward, Do Son District, Hai Phong City Enterprise code: 0200227960 Phone: 0225865358 Representative: Hoang Gia Hoc Adress: No 58, Son Hai Street, Van Son Ward, Do Son District, Hai Phong City Van Son Ward, Do Son District, Hai Phong CityFounding date: 17 - 9 - 1998