Xi Nghiep Tu Van Khao Sat Thiet Ke Cau Son Address: Huong Lac Commune, Lang Giang District, Bac Giang Province Enterprise code: 2400298987 Phone: 02144881046 Huong Lac Commune, Lang Giang District, Bac Giang ProvinceFounding date: 9 - 1 - 2004