Cong Nghe Tam An Viet Nam LTD Address: No 36, Lane 379, Minh Khai Street, Vinh Tuy Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0108111509 Phone: 02462739955 Representative: Hoang Thi Thien Vinh Tuy Ward, Hai Ba Trung District, Ha Noi CityFounding date: 27 - 12 - 2017