Tu Van Kien Truc Va Xay Dung Hoang Thanh Joint Stock Company Address: 4 VONG Hai Civil Group (Tai NHA ONG VAN Trung Duy), Hung Dao Ward, Duong Kinh District, Hai Phong City Enterprise code: 0201236855 Phone: 02253981544 Representative: Bui Thi Thu Ha Adress: Phuc Hai 1 Civil Group, Da Phuc Ward, Duong Kinh District, Hai Phong City Hung Dao Ward, Duong Kinh District, Hai Phong CityFounding date: 11 - 1 - 2012