Nam Ha Address: Dong Vang Hamlet, Son Duong Commune, Hoanh Bo District, Quang Ninh Province Enterprise code: 5701373129 Phone: 02033858486 Representative: Tu Van Chieu Adress: Dong Vang Hamlet, Son Duong Commune, Hoanh Bo District, Quang Ninh Province Son Duong Commune, Hoanh Bo District, Quang Ninh ProvinceFounding date: 5 - 3 - 2010