Khai Hung Address: Thap Hamlet, Chau Khe Commune, Tu Son Town, Bac Ninh Province Enterprise code: 2300224117 Phone: 02122841383 Representative: Hoang Cong Hung Adress: Dinh Vi Hamlet, Yen Thuong Commune, Gia Lam District, Ha Noi City Tu Son City, Bac Ninh ProvinceFounding date: 4 - 4 - 2002