Dau Tu Va Ky Thuat Co Dien Song Hong Joint Stock Company Address: 56/92, Lane 124, Au Co Street, Tu Lien Ward, Tay Ho District, Ha Noi City Enterprise code: 0103754432 Phone: 02437100490 Representative: Pham Duy Tung Adress: 56/92, Lane 124, Au Co Street, Tu Lien Ward, Tay Ho District, Ha Noi City Tu Lien Ward, Tay Ho District, Ha Noi CityFounding date: 28 - 4 - 2009