Thanh Ha LTD Address: Quang Vinh, Viet Quang, Bac Quang District, Ha Giang Province Enterprise code: 5100110213 Phone: 0219821107 Representative: Ngo Dang Khoa Adress: Quang Vinh Viet Quang, Bac Quang District, Ha Giang Province Viet Quang Town, Bac Quang District, Ha Giang ProvinceFounding date: 30 - 9 - 1998