Khai Khoang Son LTD Address: Dong Duong Hamlet, Bao Ninh Commune, Dong Hoi City, Quang Binh Province Enterprise code: 3101033906 Phone: 0935154488 Representative: Nguyen Ngoc Son Adress: Moc Thuong 2 Hamlet, Hong Thuy Commune, Le Thuy District, Quang Binh Province Bao Ninh Commune, Dong Hoi City, Quang Binh ProvinceFounding date: 15 - 6 - 2017