Tu Van Va Xay Dung Eta Joint Stock Company Address: No 1, Lane 124/22, Au Co Street, Tu Lien Ward, Tay Ho District, Ha Noi City Enterprise code: 0103711647 Phone: 02437180469 Representative: Le Thanh Long Adress: No 2, Lane 9, Hoang Dao Thanh, Kim Giang Ward, Thanh Xuan District, Ha Noi City Tu Lien Ward, Tay Ho District, Ha Noi CityFounding date: 17 - 4 - 2009