Uy Ban Nhan Dan Xa Duong Hoa - Huyen Hai Ha Address: Xa, Hoa Street, Xa, Hoa Street, Hai Ha District, Quang Ninh Province Enterprise code: 5700644697 Phone: 0203879422 Adress: Hamlet 4, Quang Son Commune, Hai Ha District, Quang Ninh Province Duong Hoa Commune, Hai Ha District, Quang Ninh ProvinceFounding date: 12 - 4 - 2007