Tu Van & Thiet Ke Kien Truc Oval Joint Stock Company Address: No 7B, Alley 113/30, Lane 113, Yen Hoa Street, Civil Group 22, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0108129520 Phone: 0986556789 Representative: Dinh Van Thanh Tuan Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 11 - 1 - 2018