Trang Vien Son Joint Stock Company Address: No 5, Lane 135, Doi Can Street, Doi Can Ward, Ba Dinh District, Ha Noi City Enterprise code: 0500480139 Phone: 02423225377 Representative: Ngo Van Tiep Adress: No 1, Alley 158/5, Ngoc Ha Street, Ngoc Ha Ward, Ba Dinh District, Ha Noi City Doi Can Ward, Ba Dinh District, Ha Noi CityFounding date: 15 - 5 - 2006