Tra Chinh Son LTD Address: No 257 Quan Nhan, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102741984 Phone: 0245586456 Representative: Nguyen Thi Thi Adress: No 257 Quan Nhan, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 12 - 5 - 2008