Hoan Thanh Joint Stock Company Address: No 175, Quynh Lane (No CU: 85), Thanh Nhan Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102708024 Phone: 0967065858 Representative: Do Quang Khanh Adress: Hamlet 8, Hoang Long Commune, Phu Xuyen District, Ha Noi City Thanh Nhan Ward, Hai Ba Trung District, Ha Noi CityFounding date: 7 - 4 - 2008