He Thong The Toan Cau LTD Address: No 20, Lane 204, Tran Duy Hung Street, Civil Group 11, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0108192554 Phone: 0974956729 Representative: Ou Yang Wei Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 22 - 3 - 2018