Thuong Mai Va Dich Vu Ky Thuat Cao Mai Hong Joint Stock Company Address: No 2 Tap The Vien Khoa Hoc Ky Thuat, Giao Thong Van Tai, Lang Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0103684496 Phone: 02422603168 Representative: Le Thi Tan Adress: Hamlet 1, Quynh Vinh Commune, Hoang Mai Town, Nghe An Province Lang Thuong Ward, Dong Da District, Ha Noi CityFounding date: 11 - 4 - 2009