Hoai Hieu Address: No 50 Nguyen Thai Hoc, Phung Town, Dan Phuong District, Ha Noi City Enterprise code: 0500423853 Phone: 02433885577 Representative: Bui Van Hoai Adress: Phuong Tri Hamlet, Dan Phuong Commune, Dan Phuong District, Ha Noi City Phung Town, Dan Phuong District, Ha Noi CityFounding date: 9 - 9 - 2002