Ung Dung Cong Nghe Sach Thien Truong LTD Address: Khu Tran Phu, Chu Town, Luc Ngan District, Bac Giang Province Enterprise code: 2400817255 Phone: 0911682226 Representative: Nguyen Dinh Huan Chu Town, Luc Ngan District, Bac Giang ProvinceFounding date: 23 - 6 - 2017