Dau Tu Hiep Luc Joint Stock Company Address: No 11, Lane 79, Duong Quang Ham Street, Quan Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0102723921 Phone: 0245143764; 0248237611 Representative: Nguyen Hong Hanh Adress: 73 Yen Phu, Yen Phu Ward, Tay Ho District, Ha Noi City Quan Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 21 - 4 - 2008