Duong Doanh LTD Address: Hamlet 12, Ha Long Commune, Van Don District, Quang Ninh Province Enterprise code: 5700656780 Phone: 0203796888 Representative: Tran Duy Phuong Adress: Hamlet 12, Ha Long Commune, Van Don District, Quang Ninh Province Ha Long Commune, Van Don District, Quang Ninh ProvinceFounding date: 25 - 5 - 2007