Thuong Mai, Ky Thuat Quang Thien Joint Stock Company Address: No 3, Lane 562/78, Tran Cung Street, Co Nhue 1 Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0105821564 Phone: 02466637069 Representative: Tran Quoc Thieu Co Nhue 1 Ward, Bac Tu Liem District, Ha Noi CityFounding date: 16 - 3 - 2012