Keo Ong Sao LTD Address: Thanh Luong Hamlet, Quang Thinh Commune, Lang Giang District, Bac Giang Province Enterprise code: 2400841748 Phone: 0904615289 Representative: Kieu Thi Hau Quang Thinh Commune, Lang Giang District, Bac Giang ProvinceFounding date: 20 - 6 - 2018