Khao Sat Thiet Ke Xay Dung Ngoc Tien LTD Address: Ruong Hamlet, Thuong Lan Commune, Viet Yen District, Bac Giang Province Enterprise code: 2400375092 Phone: 02144867207 Representative: Nguyen Tu Tien Adress: Ruong Hamlet, Thuong Lan Commune, Viet Yen District, Bac Giang Province Thuong Lan Commune, Viet Yen District, Bac Giang ProvinceFounding date: 18 - 4 - 2007