Duong Thanh Joint Stock Company Address: Lot 1279, Tay Nam Hoa Cuong Residential Area, Xo Viet Nghe Ti Street, Hoa Cuong Nam Ward, Hai Chau District, Da Nang City Enterprise code: 0400621202 Phone: 02363674747 Representative: Duong Van Hue Adress: Bac Hien Hamlet, Hong Ky Commune, Soc Son District, Ha Noi City Hoa Cuong Nam Ward, Hai Chau District, Da Nang CityFounding date: 17 - 5 - 2008