Tu Van Xay Dung Beta Joint Stock Company Address: Lot 20Q, Trung Nghia Residential Area, Hoa Minh Ward, Lien Chieu District, Da Nang City Enterprise code: 0400620248 Phone: 0905135326 Representative: Nguyen Vinh Quang Hoa Minh Ward, Lien Chieu District, Da Nang CityFounding date: 15 - 5 - 2008