Duong Quan Joint Stock Company Address: No 106 Cam Lo 1, Hung Vuong Ward, Hong Bang District, Hai Phong City Enterprise code: 0200728029 Phone: 02253538400 Representative: Lai Van Hao Adress: No 106 Cam Lo 1, Hung Vuong Ward, Hong Bang District, Hai Phong City Hung Vuong Ward, Hong Bang District, Hai Phong CityFounding date: 26 - 1 - 2007