Hoan Thien Cong Trinh Viet Nam LTD Address: No 54, Alley 93/20, Hoang Van Thai Street, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0105925387 Phone: 02435667124 Representative: Mai Dieu Hoang Adress: No 55 Civil Group 3, Lang Ha Ward, Dong Da District, Ha Noi City Lang Ha Ward, Dong Da District, Ha Noi CityFounding date: 22 - 6 - 2012